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Get Answers to all your Questions
Q. 13. Composition of the nuclei of two atomic species and
are given as under
X Y
Protons = 6 6
Neutrons = 6 8
Give the mass numbers of and
. What is the relation between the two species?
Answers (1)
As we know,
the mass number of an atom = No. of protons + No. of Neutrons
So,
The mass number of X = No. of protons of X + No. of Neutrons of X
= 6 + 6
= 12
The mass number of Y = No. of protons of Y + No. of Neutrons of Y
= 6 + 8
= 14
As both X and Y have the same atomic number (6) but different numbers (i.e., 12 and 14 respectively), they are isotopes.
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