The atom of four elements are represented as 20Q, 16R, 10S and 8T. Which of the elements would be inactive ?
A.
Q
B.
R
C.
S
D.
T
Answer: C
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.