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Rubidium (Z = 37) and Potassium (Z = 19) Are

Question 54

Multiple Choice

Rubidium (Z = 37) and potassium (Z = 19) are similar to sodium in that they have ____ electron(s) in the outermost shell.

A) five p
B) three p
C) two s
D) one d
E) one s

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