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Chemistry
Structure of the Atom
CBSE
Class 9
Chemistry
Class 9 - Chemistry
Structure of the Atom
MCQ
Q&A
Notes
Test #
7
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1.
The numbers of neutrons and magnesium is
a.
12 and 12 respectively
b.
11 and 12 repectively
c.
11 and 11 respectively
d.
12 and 11 respectively
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