why can hydrogen be placed in group1 and 7

Asked by Dhanya johnson | 3rd Oct, 2010, 12:00: AM

Expert Answer:

Dear Student
Hydrogen has one valence electron like elements of group 1 and the formula of its halides  is similiar to that of other group 1 elements for example HCl , NaCl
On the other hand like group 17 elements it also exists as a diatomic molecule
For example H2 ,Cl2
Topper's Team

Answered by  | 3rd Oct, 2010, 09:37: PM

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