Americium is a member of the actinoids family.
Americium (Am) is a member of the actinoids family.
Arachnid family
The actinoids family
Americium is an artificial metal, solid, radioactive, placed in the actinoids family.
Metals
percussion
Halogen
oboe
actinides group
Meitnerium is a member of the transactinoids family.
strings
algee, maybe