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.

Cadmium Facts — Get cadmium facts. Cadmium is the metallic element with atomic number 48 and element symbol Cd. It is toxic and causes cadmium poisoning.

Cadmium Facts – Element 48 Symbol Cd

This entry was posted on July 17, 2022 by Anne Helmenstine (updated on July 25, 2022)

Composition of the Universe — Learn about the composition of the universe in terms of element abundance. Find out about the most abundant element and those that are rare.

Composition of the Universe – Element Abundance

This entry was posted on June 28, 2022 by Anne Helmenstine (updated on July 1, 2022)

Nucleosynthesis Definition — Learn about nucleosynthesis including Big Bang and stellar nucleosynthesis and other processes that make elements.

Nucleosynthesis – How Elements Are Made

This entry was posted on June 22, 2022 by Anne Helmenstine (updated on October 23, 2022)

Cesium Facts - Caesium — Get interesting cesium facts. Cesium is also spelled caesium. The element has atomic number 55 and element symbol Cs.

Cesium Facts – Caesium or Cs

This entry was posted on May 24, 2022 by Anne Helmenstine (updated on June 1, 2022)

Zirconium Facts — Learn what zirconium is. Get zirconium facts, including the metals uses, properties, sources, and biological effects.

Zirconium Facts – What Is Zirconium?

This entry was posted on May 18, 2022 by Anne Helmenstine (updated on May 19, 2022)

Group 5 Periodic Table — Learn about group 5 on the periodic table. See which elements belong to this group and learn about their common properties.

Group 5 Periodic Table Elements

This entry was posted on May 7, 2022 by Anne Helmenstine (updated on May 9, 2022)

Lead Facts — Get interesting lead facts including the history, properties, and uses of atomic number 82 with element symbol Pb.

Lead Facts – Pb or Element Number 82

This entry was posted on April 16, 2022 by Anne Helmenstine (updated on April 18, 2022)

Element Families — Learn about element families on the periodic table. Learn how to identify each family and see its elements and properties.

Element Families on the Periodic Table

This entry was posted on November 2, 2021 by Anne Helmenstine (updated on November 8, 2021)

Periodic Table Flash Cards — These periodic table flash cards have essential facts for all 118 elements. The PDF is free and easy to print.

Periodic Table Flash Cards – Free Printable PDF Element Facts

This entry was posted on September 22, 2021 by Anne Helmenstine (updated on September 27, 2021)