Elements

Elements are the smallest units of matter that can’t be divided using chemical means. They are the building blocks of matter. Learn the names of the elements and get facts about them.

Arsenic Facts – Element As or 33 Recently updated !

This entry was posted on December 3, 2023 by Anne Helmenstine (updated on December 3, 2023)

Selenium Facts – Element Se or 34

This entry was posted on November 25, 2023 by Anne Helmenstine (updated on November 26, 2023)

Osmium Element Facts — Discover osmium facts. Learn about its discovery, hardness, density, uses, sources, and toxicity. See a photo of Os or atomic number 76.

Osmium Facts – Element 76 Symbol Os

This entry was posted on November 18, 2023 by Anne Helmenstine (updated on November 19, 2023)

Radium Facts – Element 88 Symbol Ra

This entry was posted on November 11, 2023 by Anne Helmenstine (updated on November 14, 2023)

Platinum Element Facts – Pt or Atomic Number 78

This entry was posted on November 1, 2023 by Anne Helmenstine (updated on November 9, 2023)

Indium Facts – In or Element 49

This entry was posted on October 24, 2023 by Anne Helmenstine (updated on October 28, 2023)

Get rubidium facts. Learn about the properties, uses, and sources of Rb or element 37 on the periodic table.

Rubidium Facts – Rb or Element 37

This entry was posted on October 10, 2023 by Anne Helmenstine (updated on October 14, 2023)

Iodine Facts (Atomic Number 53 or I)

This entry was posted on September 30, 2023 by Anne Helmenstine (updated on October 3, 2023)

Roentgenium Element Facts — Get roentgenium facts. Discover the history of element 111. Learn about this radioactive element's properties, uses, and sources.

Roentgenium Facts

This entry was posted on September 20, 2023 by Anne Helmenstine (updated on September 25, 2023)