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Chemistry 9 Chapter 2 Structure of Atom -5
1.
Protium, Deuterium and Tritium have the same number of?
a) electrons only
b) protons only
c) neutrons only
d) electrons and protons
2.
Which one of the following is present most abundantly in naturally occuring hydrogen?
a) none of these
b) protium
c) tritium
d) deuterium
3.
Which one of the following is not present in naturally occuring hydrogen?
a) deuterium
b) tritium
c) none of these
d) protium
4.
How many isotopes the carbon have?
a) 2
b) 4
c) 5
d) 3
5.
The amount of protium in naturally occuring hydrogen is?
a) 99.99%
b) 0.0015%
c) 88.88%
d) 0.00%
6.
Which one of the following is the isotope of carbon?
a) carbon-12
b) carbon-14
c) all of these
d) carbon-13
7.
Which one of the following is radioactive?
a) deuterium
b) tritium
c) all of these
d) protium
8.
Amount of deuterium in naturally occuring hydrogen is?
a) 100%
b) 99.99%
c) 0.0015%
d) 0.00%
9.
Almost all the carbon is?
a) all of these
b) C-12
c) C-13
d) C-14
10.
Which one of the following is Not the isotope of carbon?
a) C-10
b) C-13
c) C-12
d) C-14
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