Science, asked by uditanand4209, 4 months ago

calculate atomic Number of an element whose mass number is 39 and it has 20 neutrons

Answers

Answered by ankit83547

Answer:

Explanation:

we have simple theory if have mass number and neutrons then subtract neutrons from mass number you will get number of protons which is equal to atomic number.

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calculate atomic Number of an element whose mass number is 39 and it has 20 neutrons ​

Answers

calculate atomic Number of an element whose mass number is 39 and it has 20 neutrons