How many numbers of protons are in the nucleus of a carbon atom? 

 

Solution:

Concept: Atom as a whole is neutral, atomic number is a number of units of positive charge in the nucleus. It denotes the number of protons or electrons in the neutral atom. X^A_Z, Z represents the number of protons 

The accepted way to denote the atom of an element carbon is C₆¹⁴, The value of Z is 6

Hence, the number of protons in the nucleus of a carbon atom is 6