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What are the atomic numbers of the elements whose outermost electronic configurations are represented by (a) 3s^1 (b) 2p^3 (c) 3d^6?

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asked Aug 7, 2017 in Chemistry by sforrest072 (157,439 points) ● 60 ● 409 ● 931

What are the atomic numbers of the elements whose outermost electronic configurations are represented by
(a) 3s1 (b) 2p3 (c) 3d6?

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+1 vote
answered Aug 7, 2017 by faiz (82,347 points) ● 6 ● 6 ● 11
selected Aug 7, 2017 by sforrest072
 
Best answer

(a) Na (Z = 11) has outermost electronic Configuration = 3s1
(b) N (Z = 7) has outermost electronic Configuration = 2p3
(c) Fe (Z = 26) has outermost electronic Configuration = 3d6

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