HYDROGEN & GROUP IVA ELEMENTS

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HYDROGEN & GROUP IVA ELEMENTS

Similarities

1.      Valence shell of hydrogen is half filled like group IV-A elements.

2.      Both hydrogen & Group IV members combine with other elements through covalent bonds.

3.      Like carbon, hydrogen has strong reducing properties.

                                e.g.                CuO + H₂ Cu + H₂

                                                      SnO₂ + C Sn + CO₂

Differences

1.      Hydrogen has just one electron in its outermost shell while group IV-A elements have four electrons.

2.      Hydrogen is a gas while members of group IV are solid

3.      Hydrogen exist in diatomic form while members of group IV do not exist in diatomic form.

4.      Group IV A elements e.g. C and Si has property of catenation i.e. form long chain compounds while hydrogen do not form such compounds.

5.      Group IV A elements e.g C can combine with more than one elements at a time. But hydrogen due to just one electron combine with only one element at a time. 

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