Question

What do you mean by H2 and 2H​

Answer 1

Answer:

When two molecules of hydrogen combine, H2 is formed. H2 is molecular hydrogen. It is bonded together by one single bond. 2H denotes two moles of elemental hydrogen . ... Two separate hydrogen atoms that are not combined as a unit.

Answer 2

Answer:

H2 is molecular hydrogen

and

2H denotes two moles of elemental hydrogen

Explanation:

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