Chemistry, asked by vivek200104, 10 months ago

Calculate the number of protons in Ca2+ ion (Atomic Number 20). Please fast

Answers

Answered by utopian08

2

Answer:

no of proton never changes in forming ions

it will remain 20

Answered by Grewal007

7

Answer:

Explanation:

protons =atomic number =20

electrons =20-2 = 18

neutrons =atomic mass-atomic number =40-20=20

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