Answers

2014-05-31T11:32:28+05:30
Covalent bond exists between non metalsĀ 
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2014-06-03T21:18:09+05:30
Covalent bond exists between solid,liquid or in gaseous state in room temperature
they do not condut electricty & are non eletrolytes
reaction between them is very slow

it helps in the formation of h2, cl2, o2,h2o,hcl,nh3
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