Question

The carbon atom with 12 protons and 12 electrons has a charge of:

a. 1 C
b. +12 C
c. -1 C
d. 0 C
e. -12 C

Answer 1

Isotopes are the elements having the same atomic number i.e same number of protons which in turn is equal to same number of electrons. Number of protons and electrons are equal as the atom is electrically neutral. So, the only option is A.

I hope it helps you !