AP Chemistryeasymcq1 pt
Which element has the ground-state configuration [Ne] 3s² 3p³?
A.P
B.Al
C.S
D.Si
Explanation
Core Concept
Count electrons: neon core (10) + 2 + 3 = 15, which is phosphorus. The five valence electrons in 3s² 3p³ place it in Group 15.
Correct Answer
AP
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