Question

atom has 6 electrons and 6 protons and neutrons what is its atomic number and mass number​

Answer 1

Answer:

Given,

No. of electrons = 6

No. of protons = 6

No. of neutrons = 6

Therefore, Atomic no. = No. of protons

= 6

And, Mass no. = No. of protons + No. of neutrons

= 6 + 6

= 12

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