Question

difference between 2h and h2 (atleast two difference)

Answer 1

2H on the other hand simply refers to two individual Hydrogen atoms, since the 2 is a coefficient rather than an indicator of any bonding present. Therefore, 2H means two Hydrogens that are “just there”, but H2 (subscript) refers to the elemental gas, in which the two Hydrogens are actually bonded together.

Answer 2

both are same...
According to mathematics....
According to chemistry, 2H is 2 moles of hydrogen atom. H2 means 1 hydrogen molecule. We know that hydrogen element have two atoms. We can change to number in 2H but we have no rights to change the number in H2....


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