Is the atomic number of an element the number of protons in the nucleus of an atom? If not, what is it?
1 Answer
Aug 9, 2017
Yes, the atomic number of an element is the number of protons each atom of that element contains in the nucleus.
For example, referring to a periodic table:
The atomic numbers of each element are listed above the element's symbol.
Can you tell me how many protons are in an atom of