Multiple Choice
Phosphorus
Consider the element phosphorus,which has an atomic mass of 30,and answer the following question(s) .
-Boron has an atomic number of 5.How many vacancies does boron have in its outer shell?
A) 1
B) 2
C) 3
D) 4
E) 5
Correct Answer:
Verified
Correct Answer:
Verified
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