hlisa0392
Answered

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6) What is the electron configuration of an atom in its ground state with a
total of seven valence electrons?
A. 1s2 2s2 2p6
B. 1s2 2s2 2p5
C. 1s2 2s2 2p8
D. 1s2 2s2 2p7

Sagot :

Answer: the answer is B!

Explanation:

S and p’s are valence electrons and if added, there is 7 in total !

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