Compared with an atom of atomic weight 12 and atomic number 6, the atom of atomic weight 13 and atomic number 6.

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Contains more neutrons

Contains more electrons

Contains more protons

Is a different element

answer is A.

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Detailed Solution

6A12 and 6A13 both are isotopes but have different no. of neutrons. 6A12, A have p=6, e=6 and n=6 and 6A13, X have p=6, e=6 and n=7

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