Atomic number of a few elements are given below :
12,13,14,18
a) show the electronic configuration for these elements.
b) Determine the valency of each of these elements.
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Answered by
1
2s22p6. 11. Na [Ne] 3s1, 12. Mg [Ne] 3s2, 13. Al [Ne] 3s23p1, 14. Si [Ne] 3s23p2, 15. P [Ne] 3s23p3, 16. S [Ne] 3s23p4, 17. Cl [Ne] 3s23p5, 18. Ar [Ne] 3s23p6 .
Answered by
2
a)2,8,2
2,8,3
2,8,4
2,8,8
b)+2
+3
4
0
2,8,3
2,8,4
2,8,8
b)+2
+3
4
0
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