alleryMatch each element with its electron configuration (K, L, M, N):
A1-A, 2-B, 3-C
B1-B, 2-A, 3-C
C1-C, 2-B, 3-A
D1-A, 2-C, 3-B
Answer & Solution
Correct answer: A. 1-A, 2-B, 3-C
Na is 2,8,1. Cl is 2,8,7. Ca is 2,8,8,2.
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