Answers

2014-10-26T00:11:23+05:30
Its position can either be in the top of group one A our group seven A. 1A because it shows similar properties like that of the elements in this group. Same goes for group ,7A. Its position is a matter of controversy
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2014-10-26T00:11:46+05:30
Hydrogen does not belong to any group
it has some or other dissimilarities

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