Computer science help needed with multiple choice question answer

Computer Science
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The number of d-electrons in Fe2+ (Z = 26) is not equal to that of

A.p-electrons in Ne(Z = 10)
B.s-electrons in Mg(Z = 12)
C.d-electrons in Fe(Z = 26)
D.p-electrons in CI(Z = 17)
Nov 5th, 2015

hello


ANSWER IS option D

D . p-electrons in CI(Z = 17)


expalantion

 number of d-electrons in Fe2+ = 6

p-electrons in Ne(Z = 10) = 6

s-electrons in Mg(Z = 12) =6

d-electrons in Fe(Z = 26)=6

p-electrons in CI(Z = 17) = 11


so answer is

D. p-electrons in CI(Z = 17) 



hope you understood..please message if you have any doubts...thank you
Nov 5th, 2015

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