Chemitry error...........

JEE Mains 2015 Preparation › Class VII-X Chemistry questions › Chemitry error...........

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

#Chemistry #Class VII-X Chemistry

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1 Answers

Aveek Bhaumik ·2014-05-01 01:03:29

yeah the answer should be a since no. of neutrons= (45-21)=24

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Chemitry error...........

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