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

Identify the number of neutrons present in a pair of element with atom

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

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

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