Why does an atom of argon has zero valency ? Explain using the electronic configuration of argon.

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Solution

The atom of Argon having atomic number 18 has a configuration =2,8,8
Since the outermost shell has a complete octet , it is highly stable neither gains electrons nor loses electrons , hence has a valency of 0.

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Why does an atom of argon has zero valency ? Explain using the electronic configuration of argon.

The atom of Argon having atomic number 18 has a configuration =2,8,8 Since the outermost shell has a complete octet , it is highly stable neither gains electrons nor loses electrons , hence has a valency of 0.

The atom of Argon having atomic number 18 has a configuration =2,8,8
Since the outermost shell has a complete octet , it is highly stable neither gains electrons nor loses electrons , hence has a valency of 0.