Open University Video of the Chemistry of the Acti, Uncovering the Secrets of the Actinides

Actinium, ChemicalElements.com: Actinium, EnvironmentalChemistry.com: Actinium, It's Elemental: Actinium, LANL: Actinum, Lenntech: Actinium, Visual Elements: Actinium, WebElements: Actinium, Wikipedia: Actinium

Electronic Structure of the Alkali Earth Metals an, Visual Elements: The Alkaline Earth Metals

Chemistry Resources: Alkali Metals, Visual Elements: Group 1 - The Alkali Metals

Aluminium versus Aluminum, Aluminum, Aluminum - Linked to Many Diseases in Humans, ChemicalElements.com: Aluminum, It's Elemental: Aluminum, LANL: Aluminum, Lenntech: Aluminum, USGS Minerals Information: Aluminum, Visual Elements: Aluminium, WebElements: Aluminum

Americium, Britannica Nobel Prize: Americium, ChemicalElements.com: Americium, EnvironmentalChemistry.com: Americium, It's Elemental: Americium, LANL: Americium, Lenntech: Americium, Visual Elements: Americium, WebElements: Americium

Antimony, ChemicalElements.com: Antimony, EnvironmentalChemistry.com: Antimony, It's Elemental: Antimony, LANL: Antimony, Lenntech: Antimony, Radiochemistry of Antimony, USGS Minerals Information: Antimony, Visual Elements: Antimony, WebElements: Antimony

Argon, Britannica Nobel Prize: Argon, ChemicalElements.com: Argon, EnvironmentalChemistry.com: Argon, Especiál Gas Inc.: Argon, It's Elemental: Argon, LANL: Argon, Lenntech: Argon, Visual Elements: Argon, WebElements: Argon

Arsenic, ChemicalElements.com: Arsenic, EnvironmentalChemistry.com: Arsenic, It's Elemental: Arsenic, LANL: Arsenic, Lenntech: Arsenic, Periodic Table of the Elements: Arsenic, Radiochemistry of Arsenic, USGS - Minerals Information: Arsenic, Visual Elements: Arsenic

Astatine, Britannica Nobel Prize: Astatine, Chemical Elements.com: Astatine, EnvironmentalChemistry.com: Astatine, It's Elemental: Astatine, LANL: Astatine, Lenntech: Astatine, Radiochemistry of Astatine, Visual Elements: Astatine, WebElements: Astatine

Barium, ChemicalElements.com: Barium, EnvironmentalChemistry.com: Barium, It's Elemental: Barium, LANL: Barium, Lenntech: Barium, Visual Elements: Barium, WebElements: Barium, Wikipedia: Barium

Berkelium, Britannica Nobel Prizes: Berkelium, ChemicalElements.com: Berkelium, EnvironmentalChemistry.com: Berkelium, It's Elemental: Berkelium, LANL: Berkelium, Lenntech: Berkelium, The Columbia Encyclopedia: Berkelium, Visual Elements: Berkelium, WebElements: Berkelium

American Metal Market - Beryllium Profile, Beryllium, ChemicalElements.com: Beryllium, EnvironmentalChemistry.com: Beryllium, It's Elemental: Beryllium, LANL: Beryllium, Lenntech: Beryllium, Peter Clerkin's - Beryllium, Radiochemistry of Beryllium, USGS Minerals Information: Beryllium

Bismuth, ChemicalElements.com: Bismuth, EnvironmentalChemistry.com: Bismuth, It's Elemental: Bismuth, LANL: Bismuth, Lenntech: Bismuth, Radiochemistry of Bismuth, USGS Minerals Information: Bismuth, Visual Elements: Bismuth, WebElements: Bismuth

Apsidium: Bohrium, Berkeley National Laboratory: Bohrium, Borhium, ChemicalElements.com: Bohrium, EnvironmentalChemistry.com: Bohrium, It's Elemental: Bohrium, LANL: Bohrium, Lenntech: Bohrium, Visual Elements: Bohrium, WebElements: Bohrium

Boron, Boron, BoronWeb, ChemicalElements.com: Boron, EnvironmentalChemistry.com: Boron, It's Elemental: Boron, LANL: Boron, Lenntech: Boron, USGS Minerals Information: Boron, Visual Elements: Boron

Bromine, ChemicalElements.com: Bromine, EnvironmentalChemistry.com: Bromine, It's Elemental: Bromine, LANL: Bromine, Lenntech: Bromine, USGS Minerals Information: Bromine, Visual Elements: Bromine, WebElements: Bromine, Wikipedia: Bromine

Cadmium, ChemicalElements.com: Cadmium, EnvironmentalChemistry.com: Cadmium, It's Elemental: Cadmium, LANL: Cadmium, Lenntech: Cadmium, USGS Minerals Information: Cadmium, Visual Elements: Cadmium, WebElements: Cadmium, Wikipedia: Cadmium

Calcium, ChemicalElements.com: Calcium, EnvironmentalChemistry.com: Calcium, It's Elemental: Calcium, LANL: Calcium, Lenntech: Calcium, Visual Elements: Calcium, WebElements: Calcium, Wikipedia: Calcium

Britannica Nobel Prizes: Californium, Californium, ChemicalElements.com: Californium, EnvironmentalChemistry.com: Californium, It's Elemental: Californium, LANL: Californium, Lenntech: Californium, Visual Elements: Californium, WebElements: Californium

Carbon, Carbon, ChemicalElements.com: Carbon, EnvironmentalChemistry.com: Carbon, It's Elemental: Carbon, LANL: Carbon, Lenntech: Carbon, Symbol C, The Chemistry of Carbon, Visual Elements: Carbon

Cerium, ChemicalElements.com: Cerium, EnvironmentalChemistry.com: Cerium, It's Elemental: Cerium, LANL: Cerium, Lenntech: Cerium, Visual Elements: Cerium, WebElements: Cerium, Wikipedia: Cerium

Cesium, ChemicalElements.com: Cesium, EnvironmentalChemistry.com: Cesium, It's Elemental: Cesium, LANL: Cesium, Lenntech: Cesium, Radiochemistry of Cesium, USGS Minerals Information: Cesium, Visual Elements: Caesium, WebElements: Caesium

ChemicalElements.com: Chlorine, Chlorine, Chlorine, Chlorine online, EnvironmentalChemistry.com: Chlorine, Especiál Gas Inc.: Chlorine, It's Elemental: Chlorine, LANL: Chlorine, Lenntech: Chlorine, Visual Elements: Chlorine

ChemicalElements.com: Chromium, Chromium, EnvironmentalChemistry.com: Chromium, It's Elemental: Chromium, LANL: Chromium, Lenntech: Chromium, Radiochemistry of Chromium, USGS Minerals Information: Chromium, Visual Elements: Chromium, WebElements: Chromium

ChemicalElements.com: Cobalt, Cobalt, EnvironmentalChemistry.com: Cobalt, It's Elemental: Cobalt, LANL: Cobalt, Lenntech: Cobalt, Radiochemistry of Cobalt, USGS Minerals Information: Cobalt, Visual Elements: Cobalt, WebElements: Cobalt

ChemicalElements.com: Copper, Copper, Copper, EnvironmentalChemistry.com: Copper, It's Elemental: Copper, LANL: Copper, Lenntech: Copper, Radiochemistry of Copper, USGS Minerals Information: Copper, Visual Elements: Copper

Britannica Nobel Prize: Curium, ChemicalElements.com: Curium, Curium, Curium, EnvironmentalChemistry.com: Curium, It's Elemental: Curium, LANL: Curium, Lenntech: Curium, Visual Elements: Curium, WebElements: Curium

Apsidium: Darmstadtium, IUPAC: Darmstadtium, Wikipedia: Darmstadtium

ChemicalElements.com: Dubnium, Dubnium, EnvironmentalChemistry.com: Dubnium, It's Elemental: Dubnium, LANL: Dubnium, Lenntech: Dubnium, Visual Elements: Dubnium, WebElements: Dubnium

ChemicalElements.com: Dysprosium, Dysprosium, EnvironmentalChemistry.com: Dysprosium, It's Elemental: Dysprosium, LANL: Dysprosium, Lenntech: Dysprosium, Visual Elements: Dysprosium, WebElements: Dysprosium, Wikipedia: Dysprosium

ChemicalElements.com: Einsteinium, Einsteinium, EnvironmentalChemistry.com: Einsteinium, It's Elemental: Einsteinium, LANL: Einsteinium, Lenntech: Einsteinium, Visual Elements: Einsteinium, WebElements: Einsteinium

ChemicalElements.com: Erbium, EnvironmentalChemistry.com: Erbium, Erbium, It's Elemental: Erbium, LANL: Erbium, Lenntech: Erbium, Visual Elements: Erbium, WebElements: Erbium, Wikipedia: Erbium

ChemicalElements.com: Europium, EnvironmentalChemistry.com: Europium, Europium, It's Elemental: Europium, LANL: Europium, Lenntech: Europium, Visual Elements: Europium, WebElements: Europium, Wikipedia: Europium

ChemicalElements.com: Fermium, EnvironmentalChemistry.com: Fermium, Fermium, It's Elemental: Fermium, LANL: Fermium, Lenntech: Fermium, Visual Elements: Fermium, WebElements: Fermium

Britannica Nobel Prize: Fluorine, ChemicalElements.com: Fluorine, EnvironmentalChemistry.com: Fluorine, Fluorine, Fluorine, It's Elemental: Fluorine, LANL: Flourine, Lenntech: Fluorine, Visual Elements: Fluorine, WebElements: Fluorine

ChemicalElements.com: Francium, EnvironmentalChemistry.com: Francium, Francium, Francium, Francium Spectroscopy, It's Elemental: Francium, LANL: Francium, Lenntech: Francium, Visual Elements: Francium, WebElements: Francium

ChemicalElements.com: Gadolinium, Corrosionsource.com: Gadolinium, EnvironmentalChemistry.com: Gadolinium, Gadolinium, It's Elemental: Gadolinium, LANL: Gadolinium, Lenntech: Gadolinium, Visual Elements: Gadolinium, WebElements: Gadolinium, Wikipedia: Gadolinium

ChemGlobe: Gallium, ChemicalElements.com: Gallium, Discovery of Gallium, EnvironmentalChemistry.com: Gallium, Gallium, It's Elemental: Gallium, LANL: Gallium, Lenntech: Gallium, USGS Minerals Information: Gallium, Visual Elements: Gallium

ChemicalElements.com: Germanium, Discovery of Germanium, EnvironmentalChemistry.com: Germanium, Germanium, It's Elemental: Germanium, LANL: Germanium, Lenntech: Germanium, Radiochemistry of Germanium, USGS Minerals Information: Germanium, WebElements: Germanium

ChemicalElements.com: Gold, EnvironmentalChemistry.com: Gold, Gold, It's Elemental: Gold, LANL: Gold, Lenntech: Gold, Radiochemistry of Gold, USGS Minerals Information: Gold, Visual Elements: Gold, WebElements: Gold

Britannica Nobel Prize: Hafnium, ChemicalElements.com: Hafnium, EnvironmentalChemistry.com: Hafnium, Hafnium, It's Elemental: Hafnium, LANL: Hafnium, Lenntech: Hafnium, Visual Elements: Hafnium, WebElements: Hafnium, Wikipedia: Hafnium

Doc Brown's Chemistry Clinic: The Halogens, The Chemistry of the Halogens, Visual Elements: The Halogens

Apsidium: Hassium, ChemicalElements.com: Hassium, Chemistry of Hassium, Element 108, EnvironmentalChemistry.com: Hassium, It's Elemental: Hassium, LANL: Hassium, Lenntech: Hassium, Visual Elements: Hassium, WebElements: Hassium, Wikipedia: Hassium

Britannica Nobel Prize: Helium, ChemicalElements.com: Helium, Corrosionsource.com: Helium, EnvironmentalChemistry.com: Helium, Especiál Gas Inc.: Helium, Helium, It's Elemental: Helium, LANL: Helium, Lenntech: Helium, USGS Minerals Information: Helium

ChemicalElements.com: Holmium, EnvironmentalChemistry.com: Holmium, Holmium, It's Elemental: Holmium, LANL: Holmium, Lenntech: Holmium, Visual Elements: Holmium, WebElements: Holmium, Wikipedia: Holmium

Chemical of the Week: Hydrogen, ChemicalElements.com: Hydrogen, EnvironmentalChemistry.com: Hydrogen, Especiál Gas Inc.: Hydrogen, Hydrogen, Hydrogen - Element #1 by David L. Bergman, Hydrogen Energies and Spectrum, It's Elemental: Hydrogen, LANL: Hydrogen, Lenntech: Hydrogen

ChemicalElements.com: Indium, EnvironmentalChemistry.com: Indium, Indium, It's Elemental: Indium, LANL: Indium, Lenntech: Indium, Radiochemistry of Indium, USGS Minerals Information: Indium, Visual Elements: Indium, WebElements: Indium

ChemicalElements.com: Iodine, EnvironmentalChemistry.com: Iodine, Iodine, It's Elemental: Iodine, LANL: Iodine, Lenntech: Iodine, Radiochemistry of Iodine, USGS Minerals Information: Iodine, Visual Elements: Iodine, WebElements: Iodine

ChemicalElements.com: Iridium, EnvironmentalChemistry.com: Iridium, Iridium, It's Elemental: Iridium, LANL: Iridium, Lenntech: Iridium, Radiochemistry of Iridium, Visual Elements: Iridium, WebElements: Iridium, Wikipedia: Iridium

ChemicalElements.com: Iron, EnvironmentalChemistry.com: Iron, Iron, It's Elemental: Iron, LANL: Iron, Lenntech: Iron, Radiochemistry of Iron, USGS Minerals Information: Iron, Visual Elements: Iron, WebElements: Iron

Britannica Nobel Prize: Krypton, Chemical Elements.com: Krypton, EnvironmentalChemistry.com: Krypton, Especiál Gas Inc.: Krypton, It's Elemental: Krypton, Krypton, LANL: Krypton, Lenntech: Krypton, Visual Elements: Krypton, WebElements: Krypton

Lanthanides, Rare Earth Elements On The Net, The Luminescent Lanthanide Homepage

ChemicalElements.com: Lanthanum, EnvironmentalChemistry.com: Lanthanum, It's Elemental: Lanthanum, LANL: Lanthanum, Lanthanum, Lenntech: Lanthanum, Visual Elements: Lanthanum, WebElements: Lanthanum, Wikipedia: Lanthanum

ChemicalElements.com: Lawrencium, Chemicool: Lawrencium, EnvironmentalChemistry.com: Lawrencium, It's Elemental: Lawrencium, LANL: Lawrencium, Lawrencium, Lenntech: Lawrencium, Visual Elements: Lawrencium, WebElements: Lawrencium, Wikipedia: Lawrencium

ChemicalElements.com: Lead, EnvironmentalChemistry.com: Lead, Facts About Lead, It's Elemental: Lead, LANL: Lead, Lead, Lenntech: Lead, USGS Minerals Information: Lead, Visual Elements: Lead, WebElements: Lead

ChemicalElements.com: Lithium, Corrosionsource.com: Lithium, EnvironmentalChemistry.com: Lithium, It's Elemental: Lithium, LANL: Lithium, Lenntech: Lithium, Lithium, USGS Minerals Information: Lithium, Visual Elements: Lithium, WebElements: Lithium

ChemicalElements.com: Lutetium, EnvironmentalChemistry.com: Lutetium, It's Elemental: Lutetium, LANL: Lutetium, Lenntech: Lutetium, Lutetium, Visual Elements: Lutetium, WebElements: Lutetium, Wikipedia: Lutetium

ChemicalElements.com: Magnesium, EnvironmentalChemistry.com: Magnesium, It's Elemental: Magnesium, LANL: Magnesium, Lenntech: Magnesium, Magnesium, Radiochemistry of Magnesium, USGS Minerals Information: Magnesium, Visual Elements: Magnesium, WebElements: Magnesium

ChemicalElements.com: Manganese, EnvironmentalChemistry.com: Manganese, It's Elemental: Manganese, LANL: Manganese, Lenntech: Manganese, Manganese, Radiochemistry of Manganese, USGS Minerals Information: Manganese, Visual Elements: Manganese, WebElements: Manganese

Apsidium: Meitnerium, ChemicalElements.com: Meitnerium, EnvironmentalChemistry.com: Meitnerium, It's Elemental: Meitnerium, LANL: Meitnerium, Lenntech: Meitnerium, Meitnerium, Visual Elements: Meitnerium, WebElements: Meitnerium

Britanica Nobel Prizes: Mendelevium, ChemicalElements.com: Mendelevium, EnvironmentalChemistry.com: Mendelevium, It's Elemental: Mendelevium, LANL: Mendelevium, Lenntech: Mendelevium, Mendelevium, The Columbia Encyclopedia: Mendelevium, Visual Elements: Mendelevium, WebElements: Mendelevium

ChemicalElements.com: Mercury, EnvironmentalChemistry.com: Mercury : Nuclides, It's Elemental: Mercury, LANL: Mercury, Lenntech: Mercury, Mercury, Mercury, Mercury and Methylmercury by IC-ICPMS, Mercury in Space, Mercury in the Laboratory

ChemicalElements.com: Molybdenum, EnvironmentalChemistry.com: Molybdenum, It's Elemental: Molybdenum, LANL: Molybdenum, Lenntech: Molybdenum, Molybdenum, Radiochemistry of Molybdenum, USGS Minerals Information: Molybdenum, Visual Elements: Molybdenum, WebElements: Molybdenum

Azom.com: Neodymium, ChemicalElements.com: Neodymium, CorrosionSource.com: Neodymium, EnvironmentalChemistry.com: Neodymium, It's Elemental: Neodymium, LANL: Neodymium, Lenntech: Neodymium, Neodymium, Visual Elements: Neodymium, WebElements: Neodymium

Britannica Nobel Prize: Neon, ChemicalElements.com: Neon, EnvironmentalChemistry.com: Neon, Especiál Gas Inc.: Neon, It's Elemental: Neon, LANL: Neon, Lenntech: Neon, Neon, Neon, Visual Elements: Neon

Britannica Nobel Prize: Neptunium, ChemicalElements.com: Neptunium, EnvironmentalChemistry.com: Neptunium, It's Elemental: Neptunium, LANL: Neptunium, Lenntech: Neptunium, Neptunium, Visual Elements: Neptunium, WebElements: Neptunium, Wikipedia: Neptunium

ChemicalElements.com: Nickel, EnvironmentalChemistry.com: Nickel, It's Elemental: Nickel, LANL: Nickel, Lenntech: Nickel, Nickel, Radiochemistry of Nickel, USGS Minerals Information: Nickel, Visual Elements: Nickel, WebElements: Nickel

ChemicalElements.com: Niobium, EnvironmentalChemistry.com: Niobium, It's Elemental: Niobium, LANL: Niobium, Lenntech: Niobium, Niobium, USGS Minerals Information: Niobium, Visual Elements: Niobium, WebElements: Niobium, Wikipedia: Niobium

ChemicalElements.com: Nitrogen, EnvironmentalChemistry.com: Nitrogen, Especiál Gas Inc.: Nitrogen, It's Elemental: Nitrogen, LANL: Nitrogen, Lenntech: Nitrogen, Nitrogen, Nitrogen Fixation, USGS Minerals Information: Nitrogen, Visual Elements: Nitrogen

A New Spin on Nobelium, Britanica Nobel Prizes: Nobelium, ChemicalElements.com: Nobelium, EnvironmentalChemistry.com: Nobelium, It's Elemental: Nobelium, LANL: Nobelium, Lenntech: Nobelium, Nobelium, Visual Elements: Nobelium, WebElements: Nobelium

Chem4Kids.com: Inert Gases, Visual Elements: The Noble Gases

Applications for Nonmetals, ChemcialElements.com : Non-Metals, Chemistry of Nonmetals, Chemistry of Nonmetals, Nonmetals, Redox Reactions involving Nonmetals, The Chemistry Of Nonmetals

ChemicalElements.com: Osmium, EnvironmentalChemistry.com: Osmium, It's Elemental: Osmium, LANL: Osmium, Lenntech: Osmium, Osmium, Radiochemistry of Osmium, Visual Elements: Osmium, WebElements: Osmium, Wikipedia: Osmium

ChemicalElements.com: Oxygen, EnvironmentalChemistry.com: Oxygen, Especiál Gas Inc.: Oxygen, It's Elemental: Oxygen, LANL: Oxygen, Lenntech: Oxygen, Oxygen, Visual Elements: Oxygen, WebElements: Oxygen, Wikipedia: Oxygen

ChemicalElements.com: Palladium, EnvironmentalChemistry.com: Palladium, It's Elemental: Palladium, LANL: Palladium, Lenntech: Palladium, Palladium, Stillwater Palladium, Visual Elements: Palladium, WebElements: Palladium, Wikipedia: Palladium

ChemicalElements.com: Phosphorus, EnvironmentalChemistry.com: Phosphorus, It's Elemental: Phosphorus, LANL: Phosphorus, Lenntech: Phosphorus, Phosphorus, Radiochemistry of Phosphorus, Visual Elements: Phosphorus, WebElements: Phosphorus, Wikipedia: Phosphorus

ChemicalElements.com: Platinum, EnvironmentalChemistry.com: Platinum, It's Elemental: Platinum, LANL: Platinum, Lenntech: Platinum, Platinum, Radiochemistry of Platinum, Visual Elements: Platinum, WebElements: Platinum, Wikipedia: Platinum

PGM Database, Platinum Today

Chemical Elements.com - Plutonium (Pu), Chemlab: Plutonium, EnvironmentalChemistry.com: Plutonium, It's Elemental: Plutonium, LANL: Plutonium, Lenntech: Plutonium, OUTFO - Element 094 - Plutonium (Pu), Periodic Table : Scholar edition: Plutonium : Inde, plutonium, Plutonium

Britannica Nobel Prize: Polonium, ChemicalElements.com: Polonium, EnvironmentalChemistry.com: Polonium, It's Elemental: Polonium, LANL: Polonium, Lenntech: Polonium, Polonium, Radiochemistry of Polonium, Visual Elements: Polonium, WebElements: Polonium

ChemicalElements.com: Potassium, EnvironmentalChemistry.com: Potassium, It's Elemental: Potassium, LANL: Potassium, Lenntech: Potassium, Potassium, Radiochemistry of Potassium, Visual Elements: Potassium, WebElements: Potassium, Wikipedia: Potassium

ChemicalElements.com: Praseodymium, EnvironmentalChemistry.com: Praseodymium, It's Elemental: Praseodymium, LANL: Praseodymium, Lenntech: Praseodymium, Praseodymium, Visual Elements: Praseodymium, WebElements: Praseodymium, Wikipedia: Praseodymium

ChemicalElements.com: Promethium, EnvironmentalChemistry.com: Promethium, It's Elemental: Promethium, LANL: Promethium, Lenntech: Promethium, Promethium, Visual Elements: Promethium, WebElements: Promethium, Wikipedia: Promethium

Britannica Nobel Prize: Protactinium, ChemicalElements.com: Protactinium, EnvironmentalChemistry.com: Protactinium, It's Elemental: Protactinium, LANL: Protactinium, Protactinium, Radiochemistry of Protactinium, Visual Elements: Protactinium, WebElements: Protactinium

Britannica Nobel Prize: Radium, ChemicalElements.com: Radium, EnvironmentalChemistry.com: Radium, It's Elemental: Radium, LANL: Radium, Lenntech: Radium, Radiochemistry of Radium, Radium, Visual Elements: Radium, WebElements: Radium

ChemicalElements.com: Radon, EnvironmentalChemistry.com: Radon, It's Elemental: Radon, LANL: Radon, Lenntech: Radon, Radon, Visual Elements: Radon, WebElements: Radon, Wikipedia: Radon

ChemicalElements.com: Rhenium, EnvironmentalChemistry.com: Rhenium, It's Elemental: Rhenium, LANL: Rhenium, Lenntech: Rhenium, Radiochemistry of Rhenium, Rhenium, USGS Minerals Information: Rhenium, Visual Elements: Rhenium, WebElements: Rhenium

ChemicalElements.com: Rhodium, EnvironmentalChemistry.com: Rhodium, It's Elemental: Rhodium, LANL: Rhodium, Lenntech: Rhodium, Radiochemistry of Rhodium, Rhodium, Visual Elements: Rhodium, WebElements: Rhodium, Wikipedia: Rhodium

Apsidium: Roentgenium, IUPAC: Roentgenium, Wikipedia: Roentgenium

ChemicalElements.com: Rubidium, EnvironmentalChemistry.com: Rubidium, It's Elemental: Rubidium, LANL: Rubidium, Lenntech: Rubidium, Radiochemistry of Rubidium, Rubidium, Visual Elements: Rubidium, WebElements: Rubidium, Wikipedia: Rubidium

ChemicalElements.com: Ruthenium, EnvironmentalChemistry.com: Ruthenium, It's Elemental: Ruthenium, LANL: Ruthenium, Lenntech: Ruthenium, Ruthenium, Rutherfordium, Visual Elements: Ruthenium, WebElements: Ruthenium, Wikipedia: Ruthenium

ChemicalElements.com: Rutherfordium, EnvironmentalChemistry.com: Rutherfordium, It's Elemental: Rutherfordium, LANL: Rutherfordium, Lenntech: Rutherfordium, Visual Elements: Rutherfordium, WebElements: Rutherfordium

ChemicalElements.com: Samarium, EnvironmentalChemistry.com: Samarium, It's Elemental: Samarium, LANL: Samarium, Lenntech: Samarium, Samarium, Visual Elements: Samarium, WebElements: Samarium, Wikipedia: Samarium

ChemicalElements.com: Scandium, Discovery of Scandium, EnvironmentalChemistry.com: Scandium, It's Elemental: Scandium, LANL: Scandium, Scandium, USGS Minerals Information: Scandium, Visual Elements: Scandium, WebElements: Scandium, Wikipedia: Scandium

ChemicalElements: Seaborgium, EnvironmentalChemistry.com: Seaborgium, It's Elemental: Seaborgium, LANL: Seaborgium, Lenntech: Seaborgium, Seaborgium, Visual Elements: Seaborgium, WebElements: Seaborgium, Wikipedia: Seaborgium

ChemicalElements.com: Selenium, EnvironmentalChemistry.com: Selenium, It's Elemental: Selenium, LANL: Selenium, Lenntech: Selenium, Radiochemistry of Selenium, Selenium, USGS Minerals Information: Selenium, Visual Elements: Selenium, WebElements: Selenium

ChemicalElements.com: Silicon, EnvironmentalChemistry.com: Silicon, It's Elemental: Silicon, LANL: Silicon, Lenntech: Silicon, Radiochemistry of Silicon, Silicon, Silicon Chemistry Primer, USGS Minerals Information: Silicon, Visual Elements: Silicon

ChemicalElements.com: Silver, EnvironmentalChemistry.com: Silver, It's Elemental: Silver, LANL: Silver, Lenntech: Silver, Radiochemistry of Silver, Silver, Visual Elements: Silver, WebElements: Silver, Wikipedia: Silver

ChemGlobe: Sodium, ChemicalElements.com: Sodium, EnvironmentalChemistry.com: Sodium, It's Elemental: Sodium, LANL: Sodium, Lenntech: Sodium, Radiochemistry of Sodium, Sodium, Visual Elements: Sodium, WebElements: Sodium

ChemicalElements.com: Strontium, EnvironmentalChemistry.com: Strontium, It's Elemental: Strontium, LANL: Strontium, Lenntech: Strontium, Strontium, USGS Minerals Information: Strontium, Visual Elements: Strontium, WebElements: Strontium, Wikipedia: Strontium

ChemicalElements.com: Sulfur, EnvironmentalChemistry.com: Sulfur, It's Elemental: Sulfur, LANL: Sulfur, Lenntech: Sulfur, Radiochemistry of Sulfur, Sulfur, Sulphur versus Sulfur, USGS Minerals Information: Sulfur, Visual Elements: Sulfur

ChemicalElements.com: Tantalum, EnvironmentalChemistry.com: Tantalum, It's Elemental: Tantalum, LANL: Tantalum, Lenntech: Tantalum, Tantalum, Visual Elements: Tantalum, WebElements: Tantalum, Wikipedia: Tantalum

Britannica Nobel Prize: Technetium, ChemicalElements.com: Technetium, EnvironmentalChemistry.com: Technetium, It's Elemental: Technetium, LANL: Technetium, Lenntech: Technetium, Radiochemistry of Technetium, Technetium, Visual Elements: Technetium, WebElements: Technetium

ChemicalElements.com: Tellurium, EnvironmentalChemistry.com: Tellurium, It's Elemental: Tellurium, LANL: Tellurium, Lenntech: Tellurium, Radiochemistry of Tellurium, Tellurium, Visual Elements: Tellurium, WebElements: Tellurium, Wikipedia: Tellurium

ChemicalElements.com: Terbium, EnvironmentalChemistry.com: Terbium, It's Elemental: Terbium, LANL: Terbium, Lenntech: Terbium, Terbium, Visual Elements: Terbium, WebElements: Terbium, Wikipedia: Terbium

ChemicalElements.com: Thallium, EnvironmentalChemistry.com: Thallium, It's Elemental: Thallium, LANL: Thallium, Lenntech: Thallium, Thallium, USGS Minerals Information: Thallium, Visual Elements: Thallium, WebElements: Thallium, Wikipedia: Thallium

ChemicalElements.com: Thorium, EnvironmentalChemistry.com: Thorium, It's Elemental: Thorium, LANL: Thorium, Lenntech: Thorium, Thorium, Thorium, USGS Minerals Information: Thorium, Visual Elements: Thorium, WebElements: Thorium

ChemicalElements.com: Thulium, EnvironmentalChemistry.com: Thulium, It's Elemental: Thulium, LANL: Thulium, Lenntech: Thulium, Thulium, Visual Elements: Thulium, WebElements: Thulium, Wikipedia: Thulium

ChemicalElements.com: Tin, EnvironmentalChemistry.com: Tin, It's Elemental: Tin, LANL: Tin, Lenntech: Tin, Radiochemistry of Tin, Tin, USGS Minerals Information: Tin, Visual Elements: Tin, WebElements: Tin

ChemicalElements.com: Titanium, EnvironmentalChemistry.com: Titanium, It's Elemental: Titanium, LANL: Titanium, Lenntech: Titanium, Radiochemistry of Titanium, Titanium, USGS Minerals Information: Titanium, Visual Elements: Titanium, WebElements: Titanium

Transactinides

The Transition Metals, Transition Metals, Transition Metals

ChemicalElements.com: Tungsten, ChinaTungsten Online, EnvironmentalChemistry.com: Tungsten, It's Elemental: Tungsten, LANL: Tungsten, Lenntech: Tungsten, Radiochemistry of Tungsten, Tungsten, USGS Minerals Information: Tungsten, Visual Elements: Tungsten

ChemicalElements.com: Uranium, Depleted Uranium, EnvironmentalChemistry.com: Uranium, It's Elemental - Isotopes of the Element Uran, It's Elemental: Uranium, LANL: Uranium, Lenntech: Uranium, Properties of Uranium Compounds, Radioactive Byproducts of Depleted Uranium (Uraniu, UIC - Uranium & Nuclear Power Information Cent

ChemicalElements.com: Vanadium, EnvironmentalChemistry.com: Vanadium, It's Elemental: Vanadium, LANL: Vanadium, Lenntech: Vanadium, Radiochemistry of Vanadium, USGS Minerals Information: Vanadium, Vanadium, Visual Elements: Vanadium, WebElements: Vanadium

Britannica Nobel Prize: Xenon, ChemicalElements.com: Xenon, EnvironmentalChemistry.com: Xenon, Especiál Gas Inc.: Xenon, It's Elemental: Xenon, LANL: Xenon, Lenntech: Xenon, Visual Elements: Xenon, WebElements: Xenon, Wikipedia: Xenon

ChemicalElements.com: Ytterbium, EnvironmentalChemistry.com: Ytterbium, It's Elemental: Ytterbium, LANL: Ytterbium, Lenntech: Ytterbium, Visual Elements: Ytterbium, WebElements: Ytterbium, Wikipedia: Ytterbium, Ytterbium

ChemicalElements.com: Yttrium, EnvironmentalChemistry.com: Yttrium, It's Elemental: Yttrium, LANL: Yttrium, Lenntech: Yttrium, The Columbia Encyclopedia: Yttrium, Visual Elements: Yttrium, WebElements: Yttrium, Wikipedia: Yttrium, Yttrium

ChemicalElements.com: Zinc, EnvironmentalChemistry.com: Zinc, General Information of Zinc, It's Elemental: Zinc, LANL: Zinc, Lenntech: Zinc, USGS Minerals Information: Zinc, Visual Elements: Zinc, WebElements: Zinc, Wikipedia: Zinc

ChemicalElements.com: Zirconium, EnvironmentalChemistry.com: Zirconium, It's Elemental: Zirconium, LANL: Zirconium, Lenntech: Zirconium, USGS Minerals Information: Zirconium, Visual Elements: Zirconium, WebElements: Zirconium, Wikipedia: Zirconium, Zirconium