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Chemistry 9 Chapter 2 Structure of Atom -6
1.
How many neutrons are present in C-12?
a) 12
b) 6
c) 7
d) 8
2.
How many protons are present in the nuclie of carbon isotopes?
a) 7
b) 8
c) 6
d) 9
3.
Which one of the following is incorrect about carbon isotopes?
a) water soluble
b) odourless
c) high boiling points
d) tasteless
4.
How many neutrons are present in carbon-14?
a) 7
b) 8
c) 6
d) 9
5.
How many neutrons are present in the nucleus of C-13?
a) 8
b) 6
c) 5
d) none of these
6.
The natural abundance of C-12 is?
a) 0.009%
b) none of these
c) 1.1%
d) 98.8%
7.
How many isotopes the chlorine have?
a) 3
b) 2
c) 4
d) 5
8.
The natural abundance of C-13 is?
a) 0.00 %
b) 0.009%
c) 1.1%
d) 98.8%
9.
Which one of the following is the isotope of chlorine?
a) both of these
b) chlorine-35
c) none of these
d) chlorine-37
10.
How many neutrons are present in chlorine-35?
a) 19
b) 18
c) 17
d) 20
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