Beryllium is in the Element category Alkeline Earth Metals
noble gas family, group 18
oxygen is one of the noble gasses.
Hassium is placed in the period 7 and group 8 (iron group) of the periodic table of Mendeleev.It is a member of the transactinoids family.
element 17 (Cl) chlorine belongs to the hologen group. It is a gas.
Gold, silver, and copper belong to the class of minerals known as native elements. Native elements are minerals that are composed of a single element or atom type. These metals are characterized by their metallic luster, conductivity, and ductility, making them valuable in various applications, including jewelry, electronics, and industrial processes.
noble gas family, group 18
neon is a noble gas.
alkaline earth metals
Group 15
Arachnid family
Halogen
Metals
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Americium is a member of the actinoids family.
Meitnerium is a member of the transactinoids family.
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