Multiple Choice
Which of the following is correct for the second period element in Group 5A/15?
Atomic Number Chemical Symbol Atomic mass
A) 38 Sr 87.62
B) 15 P 30.97
C) 30.97 P 15
D) 7 N 14.01
E) 14.01 N 7
Correct Answer:
Verified
Correct Answer:
Verified
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