1.

In which form do the elements of groups 13,14 and 15 occur in nature?

Answer»
  • The elements of groups 13, 14 and 15 do not occur in free monoatomic state and are found as compounds with other elements.
  • They also occur in the form of polyatomic molecules (such as N2, P4, C60) or polyatomic covalent arrays (such as graphite, diamond).


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