Chemistry, asked by suryasingh43, 3 months ago

The formula of hydrogen is H2 while that of helium is He. Explain

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Answered by himanshumaurya2410

3

Answer:

Hydrogen has atomic number 1, so to achieve inert gas configuration or molecular stability it needs total of two electrons in its shell, which it gets from another atom, while helium already has 2 electrons in its outermost shell and it is stable, this is the reason why hydrogen is written as H₂ and helium as He

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