Atomic no. Of element is 12 what is its valency
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Electronic configuration =2,8,2. So to make it octet it has to loose 2 electrons hence its valency is 2.
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Its electronic configuration is (2,8,2).
Check it's last shell.
It's loses 2 electrons to gain 8 electrons in last shell and thus it's valency is 2.
And since it loses 2 electrons it becomes a positive ion (cat ion) and thus it's valency is +2.
Feel free to message me if you have any doubts.
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Check it's last shell.
It's loses 2 electrons to gain 8 electrons in last shell and thus it's valency is 2.
And since it loses 2 electrons it becomes a positive ion (cat ion) and thus it's valency is +2.
Feel free to message me if you have any doubts.
May this new year be prosperous and glorious for you.
Please Mark my answer as brainliest.
- Maheshwaran.
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