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Question

Chemistry Question on Structure of atom

An isotope of Ge3276Ge^{76}_{32} is

A

Ge3277Ge^{77}_{32}

B

As3377As^{77}_{33}

C

Se3477Se^{77}_{34}

D

Se3478Se^{78}_{34}

Answer

Ge3277Ge^{77}_{32}

Explanation

Solution

Isotopes have same atomic number (Z) but
different mass number (A ). Therefore, 32Ge76^{}_{32}Ge^{76} and
32Ge77^{}_{32}Ge^{77} are isotopes.