Beryllium is in the Element category Alkeline Earth Metals
noble gas family, group 18
element 17 (Cl) chlorine belongs to the hologen group. It is a gas.
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.
protista
noble gas family, group 18
neon is a noble gas.
alkaline earth metals
Group 15
Arachnid family
Group 15
Metals
Halogen
percussion
oboe
Meitnerium is a member of the transactinoids family.
Americium is a member of the actinoids family.