composition of two elements A and B are given below.
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Atomic number of A is 6
Atomic number of B is 8
Mass number of A is 12
Mass number of B is 14
A represents Carbon and B represents Oxygen
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Ans : (a) 6.
(b) 6.
(c) Mass no. = neutrons + protons = 6+6 = 12.
(d) Mass no. = neutrons + protons = 6+8 = 14.
(e) A is carbon.
B is carbon isotope ( carbon -14).
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