Chemistry 9701 · AS & A Level · Chemical bonding

Chemical bonding — practice question

Carbon and silicon each have the same outer-shell electronic arrangement. Why does a Si-Si bond have less strength than a C-C bond?

  • ASilicon atoms have a larger atomic radius than carbon atoms.
  • BSilicon has a greater nuclear charge than carbon.
  • CSilicon has a smaller first ionisation energy than carbon.
  • DSilicon is more metallic than carbon.

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