Question

❤❤❤Mass number of calcium is 40 and electronic configuration is 2,8,8,2 to find the number of neutron.❤❤❤❤❤❤❤


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Answer 1

Answer:

Hey there,

Element : Calcium

Mass no = 40

Atomic no = 20

We know that,

Mass no = Atomic no + No of Neutron

No of Neutron = Mass no - Atomic no

No of Neutron = 40 - 20

No of Neutron = 20 neutrons

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