A) Contains more neutrons
B) Contains more electrons
C) Contains more protons
D) Is a different element
Correct Answer: A
Solution :
\[_{6}{{A}^{12}}\] and \[_{6}{{X}^{13}}\] both are isotopes but have different no. of neutrons. \[_{6}{{A}^{12}}\], For A have\[p=6,e=6\] and \[n=6\]and \[_{6}{{X}^{13}}\], For B have\[p=6,e=6\]and \[n=7\]
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