Question

what is the difference between 2H and H2​

Answer 1

Similarity : 2H and H2 are palindromes

Difference : 2 is written first and H is written after 2

in other case H is written first and 2 is written after H

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Answer 2

Answer:

What is the difference between 2H and H2? 2H means two separate hydrogen atoms. H2 means a hydrogen molecule which two hydrogen atoms bond together.