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What is the total number of electron pre...

What is the total number of electron present in the last orbit of argon?

Text Solution

Verified by Experts

The correct Answer is:
8
Atomic number of `Ar = 18`
Hence, its electronic configuration is
`Is^(2)2s^(2)2p^(6)3s^(2)3p^(6)`
Total number of electron present in last orbit of Argon is `2 + 6 = 8`
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