Answer
For carbon-14
Number of protons = 6
Number of neutrons = 8
Number of electrons = 6
For carbon-12
Number of protons = 6
Number of neutrons = 6
Number of electrons = 6
Work Step by Step
The atomic number is the number of protons and the mass number is the sum of number of protons and neutrons. Carbon have atomic number 6 so it will have 6 protons regardless of isotope. The number of neutrons can be calculated by subtracting number of protons from mass number. The number of electrons in neutral atom will always be equal to number of protons.
So we have:
For carbon-14
Number of protons = 6
Number of neutrons = 8
Number of electrons = 6
For carbon-12
Number of protons = 6
Number of neutrons = 6
Number of electrons = 6
