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Which of the Following Atomic Numbers (Which Are the Same

Question 15

Multiple Choice

Which of the following atomic numbers (which are the same as the number of electrons in a neutral atom) correspond to a Group 2 metal,i.e.their ground-state electronic configuration ends in "..s2"?


A) 4,14,20
B) 4,22,40
C) 6,12,22
D) 4,12,38
E) 4,14,38

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