2)An atom X is represented as follows . The numbers of protons, electrons and neutrons in this atom are:
a.21, 21, 24
b.21,21,23
c.20,20,24
d.20,20,23
Your Answer
a
Correct Answer
b
Your Score
-1
How is that possible?
Please verify the no. of neutrons
-
UP 0 DOWN 0 0 1