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Chapter 18 Atomic and Nuclear Physics-3
1.
What is the total number of neutrons present in the nucleus of an atom called?
a) Atomic number
b) Atomic mass number
c) Mass number
d) Neutron number
2.
What is the symbol for neutron number?
a) N
b) Z
c) An
d) A
3.
What is the total number of nucleons present in the nucleus of an atom called?
a) Neutron number
b) Atomic number
c) Atomic mass number
d) Proton number
4.
What is the total number of “Protons + Neutrons” present in the nucleus of an atom called?
a) Atomic number
b) Proton number
c) Neutron number
d) Atomic mass number
5.
What is the formula for atomic mass number?
a) A = Z + N
b) M = Z - N
c) A = Z - N
d) M = Z + N
6.
How many times proton is heavier than neutron?
a) 1836 times
b) Equal
c) 15 times
d) 2 times
7.
How many times neutron is heavier than proton?
a) 2 times
b) 1836 times
c) Equal
d) 15 times
8.
How many times proton is heavier than electron?
a) 15 times
b) 1836 times
c) 2 times
d) Equal
9.
How many times electron is lighter than proton?
a) 2 times
b) 15 times
c) 1836 times
d) Equal
10.
What is the symbol for atomic mass number?
a) Z
b) N
c) Am
d) A
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