An atom. Has a atomic number12 …
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Posted by Vidhi Kaushik 5 years, 3 months ago
- 4 answers
Yogita Ingle 5 years, 3 months ago
Element with atomic number 12 is Magnesium (Mg). Electronic configuration of magnesium is 1s2 2s2 2p6 3s2. It has 2 e- in its outermost orbit and can donate these to form a stable octet. Hence, its valency is +2.
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Ayush Yadav 5 years, 3 months ago
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