Question

WHY OXYGEN ATOM NEEDS 2 ELECTRONS GIVE REASON

Answer 1

Answer:

It requests 2 more electrons so that its valence shell has 8 electrons. Why does it need 8 electrons? Because it wants to gain a stable electronic configuration and octet valence shell structure resembling that of noble gases. Oxygen as an ion exists as O(2-), which indicates it wants to gain 2 more valence electrons.

Explanation:

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Answer 2

Answer:

Oxygen atom has atomic number as 8 so it has its K shell completely filled with 2 electrons. While it has only 6 electrons in L shell which requires 8 electrons to get inert gas configuration. So oxygen atom shares 2 electrons with another oxygen atom to form a diatomic molecule.

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