Four elements P,Q,R and S have 1,2,3, and 7 electrons in their outermost shells respectively....
CHEMISTRY
JAMB 1992
Four elements P,Q,R and S have 1,2,3, and 7 electrons in their outermost shells respectively. The element which is unlikely to be a metal is?
- A. P
- B. Q
- C. R
- D. S
Correct Answer: D. S
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