Chemistry
WAEC 2015
To which group and period respectively does an element with 15 electrons belong?
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A.
3 and 3
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B.
3 and 5
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C.
5 and 3
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D.
5 and 5
Correct Answer: Option C
Explanation
(P) Arsenic is the element with 15 electrons which is found in Group 5 and Period 3
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