Chemistry, asked by jennie74, 6 months ago

The atom of an element has 20 protons,20 neutrons and 20 electrons Find out it's atomic number,mass number,name of the element and it's valency

Answers

Answered by DevanshRaulo

8

Answer:

Atomic number is 20 mass number is 40 name of the element is calcium and it's Valency is 2

Answered by parinithsm606

1

Answer:

calcium calcium calcium calcium calcium calcium calcium calcium

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