Learn about the post-transition metals or basic metals. Get a list of elements and discover their shared properties. Post-Transition Metals or Basic Metals This entry was posted on February 26, 2025 by Anne Helmenstine (updated on January 6, 2026)
Learn about the chalcogens on the periodic table. The chalcogens are group 16 or the oxygen group. These elements share common properties. Chalcogens on the Periodic Table – Oxygen Group or Group ... This entry was posted on March 21, 2023 by Anne Helmenstine (updated on January 6, 2026)
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 January 17, 2026)
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 June 10, 2025)
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 9, 2026)
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 December 4, 2025)
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) This entry was posted on October 18, 2020 by Anne Helmenstine (updated on November 22, 2025)
Learn about the halogen elements. Get the list of halogens and learn about their properties. Halogen Elements – List and Facts This entry was posted on October 10, 2020 by Anne Helmenstine (updated on June 10, 2025)
Learn how the periodic table blocks of elements are organized. Explore s, p, d, f blocks and main group, transition metals, and inner transition metals. Periodic Table Blocks of Elements This entry was posted on September 21, 2020 by Anne Helmenstine (updated on August 15, 2026)