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.

Plutonium Facts — Get interesting plutonium facts. Plutonium is Pu with atomic number 94. Learn about the element's properties, uses, and sources.

Plutonium Facts (Pu or Atomic Number 94) Recently updated !

This entry was posted on May 11, 2021 by Anne Helmenstine (updated on May 11, 2021)

Gold Facts — Get interesting gold facts. Learn about gold's properties, uses, and sources. Find out why gold is so valuable.

Interesting Gold Facts Recently updated !

This entry was posted on May 6, 2021 by Anne Helmenstine (updated on May 11, 2021)

Noble Metals — Learn about the noble metals. Get their definition, see a list of noble metals, and learn about their properties.

What Are Noble Metals? – Definition and List Recently updated !

This entry was posted on February 27, 2021 by Anne Helmenstine (updated on May 6, 2021)

Lanthanide Series (Lanthanoids) — Get facts about the lanthanides, which are also called the lanthanoids. Learn the similarities of elements in this group.

Lanthanides Facts (Lanthanoids)

This entry was posted on February 4, 2021 by Anne Helmenstine (updated on May 3, 2021)

Densest or Heaviest Element on the Periodic Table — Learn about the heaviest or densest element on the periodic table. Understand why its density is so high.

What Is the Heaviest or Densest Element on the Periodic ...

This entry was posted on December 20, 2020 by Anne Helmenstine (updated on May 3, 2021)

Silver Facts — Get silver facts, including the element's uses, sources, and properties. Silver is atomic number 47 with element symbol Ag.

Silver Facts – Atomic Number 47 Element Symbol Ag Recently updated !

This entry was posted on November 18, 2020 by Anne Helmenstine (updated on May 10, 2021)

Technetium Facts — Get facts about the element technetium, which is atomic number 43 and element symbol Tc.

Technetium Facts – Atomic Number 43 Element Symbol Tc Recently updated !

This entry was posted on November 1, 2020 by Anne Helmenstine (updated on May 11, 2021)

Francium Element Facts — Get interesting francium element facts. Francium is atomic number 87 with element symbol Fr.

Francium Facts – Atomic Number 87 Element Symbol Fr Recently updated !

This entry was posted on October 22, 2020 by Anne Helmenstine (updated on May 10, 2021)

Actinide Series (Actinoids) — Get facts about the actinides on the periodic table, including a list of elements and their properties.

Actinides on the Periodic Table (Actinide Series or Actinoids) Recently updated !

This entry was posted on October 18, 2020 by Anne Helmenstine (updated on May 11, 2021)