Science, asked by rohangurjar730, 6 months ago

Symbols 33 Br and Br can be written, whereas symbols 35 Br and **Br are not
acceptable. Answer briefly.​

Answers

Answered by Stuti1990
4

Answer:

Br is not acceptable because atomic number of an element is fixed. However, mass number is not fixed as it depends upon the isotopes taken. Hence, it is essential to indicate mass number.

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