Is the atomic number the sum of protons and neutrons

- Atomic number is sum of protons and neutrons in the nucleus
- Atomic mass is the sum of the number of protons and neutrons in an atom
- The atomic number is the sum of the protons and neutrons in the nucleus of an atom
- The atomic number is the sum of the protons and neutrons in the nucleus of an atom true false
- Atomic weight is the sum of the number of protons and the number of neutrons
- The sum of the protons and neutrons in an atom is called the atomic number
- The sum of the protons and neutrons in an atom is called the atomic number true false