How many valence electrons are contained in the... - JAMB Chemistry 2020 Question
How many valence electrons are contained in the element \(^{31}_{15}P\)?
A
3
B
4
C
15
D
31
correct option: a
The element is Phosphorus in group 5 with valencies of 3 and 5. These are contained in the third energy level of the atom. Due to the number of valence electrons, Phosphorus is capable of forming three bonds with other elements.
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