Identify the number of neutrons present in a pair of elements with atomic numbers 20 and 13 if their mass numbers are 40 and 27 respectively.A. 20 and 13B. 20 and 13C. 17 and 20D. 20 and 14

Identify the number of neutrons present in a pair of elements with ato

1.	Identify the number of neutrons present in a pair of elements with atomic numbers 20 and 13 if their mass numbers are 40 and 27 respectively.A. 20 and 13B. 20 and 13C. 17 and 20D. 20 and 14
Answer» Correct Answer - 4 `A-Z=n` (1) 40 - 20 =20 (2) 27 - 13 =14

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Identify the number of neutrons present in a pair of elements with atomic numbers 20 and 13 if their mass numbers are 40 and 27 respectively.A. 20 and 13B. 20 and 13C. 17 and 20D. 20 and 14

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