Actinides family contain: Ac, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Lw.
Plutonium is a member of the actinoids family and in period 7 of the periodic table of Mendeleev.
Helium is a member of the noble gas family of elements. The elements of this family do NOT usually form compounds with other elements.
Plutonium can be released as waste from nuclear power plants and can be sold on the black market to make other nuclear devices.
500 Degrees kelvin.
Plutonium is normally solid and metallic.
copper,nickl and zinc
Copper, Silver and Gold
actinium
Noble gases, such as helium and neon, belong to the family of elements that are highly unreactive. They have a full outer electron shell, making them stable and less likely to form chemical bonds with other elements.
Aluminum is of the family of elements called 'other metals' in the Periodic Table.
nickel, silver, gold, and cooper
Sc, Y, Lu, Lw