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.

Why Is Mercury a Liquid — Learn why mercury is a liquid at room temperature when most metals are solids.

Why Is Mercury a Liquid at Room Temperature? Recently updated !

This entry was posted on July 6, 2021 by Anne Helmenstine (updated on July 19, 2021)

Neutronium or Element 0 — Get the facts for neutronium or element zero with symbol Nu. Learn where this hypothetical element could fit on the periodic table.

Neutronium or Element Zero

This entry was posted on June 10, 2021 by Anne Helmenstine (updated on June 21, 2021)

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)

This entry was posted on May 11, 2021 by Anne Helmenstine (updated on May 28, 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

This entry was posted on May 6, 2021 by Anne Helmenstine (updated on May 28, 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

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 June 23, 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

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

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