Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, …

Chemical element, Hydrogen, information from authoritative sources. Look up properties, history, uses, and more.

PERIODIC TABLE OF ELEMENTS Chemical Group Block 17 Atomic Number Cl Symbol Chlorine Name Halogen Chemical Group Block 1 H Hydrogen Nonmetal 1 1 2 He Helium Noble Gas 18 …

Chemical element, Chlorine, information from authoritative sources. Look up properties, history, uses, and more.

Periodic Table element Summary Carbon. Carbon is a chemical element with symbol C and atomic number 6. Classified as a nonmetal, Carbon is a solid at room temperature.

Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. Sodium …

Periodic Table element Summary Ytterbium. Ytterbium is a chemical element with symbol Yb and atomic number 70. Classified as a lanthanide, Ytterbium is a solid at room temperature.

Periodic Table element Summary Plutonium. Plutonium is a chemical element with symbol Pu and atomic number 94. Classified as an actinide, Plutonium is a solid at room temperature.

Chemical element, Magnesium, information from authoritative sources. Look up properties, history, uses, and more.

Chemical element, Scandium, information from authoritative sources. Look up properties, history, uses, and more.