Post-UTME Chemistry 2013 Objective — Question 10

Question 10 of 22 from the Post-UTME Screening (Post-UTME) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

Four elements P, Q, R and S have 1, 2, 3, and 7 electrons in their outermost shells respectively. The element which is likely to be a metal is

A. PCorrect
B. Q
C. R
D. S

Explanation

Elements with few outer-shell electrons (here, P with just 1) tend to lose them easily, a key metallic property. (No printed answer key for this session; answer worked out independently.)

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