Question

Both carbon and silicon are in group 4 but carbon shows cate nation more that silicon

Answer 1

The size of carbon atom is small as compared to that of silicon. Therefore, C-C bond is smaller and stronger than Si-Si bond. As a result, any number of carbon atoms can be linked to each other resulting in a large number of carbon compounds.

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Answer 2

The carbon's atom size is smaller than silicon.So their electrons are closely held with the nucleus.

And so it forms a covalent C-C bond easier than silicon.