Periodic table - Elements, Groups, Blocks | Britannica
https://www.britannica.com/science/periodic-table/The-periodic-table
WebThe other four groups are as follows: the carbon group, 14 (IVa), consists of carbon, silicon, germanium, tin, lead, and flerovium; the nitrogen group, 15 (Va), includes nitrogen, phosphorus, arsenic, antimony, bismuth, and moscovium; the oxygen group, 16 (VIa), includes oxygen, sulfur, selenium, tellurium, polonium, and livermorium; and the hal...
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