Question

answer my question ​

Answer 1

Answer:

16 neutrons

Explanation:

For procedure, refer my attachment

The given element is Phosphorus.

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Answer 2

Explanation:

Mass number = No. of protons + No. of neutrons = 31  ∴ Number of neutrons = 31– number of protons                                      = 31–15                                      = 16 Read more on Sarthaks.com - https://www.sarthaks.com/11028/calculate-the-number-neutrons-present-the-nucleus-an-element-which-is-represented-as-31-15