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Your 'Family 4' is normally thought of as 'GROUP 4'
The elements of Group 4 are :-
Carbom (C)
Silicon (Si)
Germanium (Ge)
Tin (Sn)
Lead (Pb)

2007-09-23 08:05:32 · answer #1 · answered by lenpol7 7 · 0 0

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