The number of protons and neutrons is equal to
- The number of protons plus neutrons is equal to
- The total number of protons and neutrons is equal to
- The sum of protons and neutrons is equal to
- The number of protons and neutrons in an atom is equal to the
- The total number of protons and neutrons in the nucleus is equal to
- The number of protons and neutrons in an element is equal to this number
- Equal to the number of protons and neutrons in each atom
- The sum of number of neutrons and protons is equal to
- The number of electrons protons and neutrons in a species are equal to
- The number of electrons protons and neutrons in a species are equal to 10 11 12
- The total number of protons and neutrons in an atom's nucleus is equal to the
- What is always equal to the number of protons and neutrons
- Atomic weight is equal to the number of protons and neutrons
- This is equal to the total number of protons and neutrons in an atom
- The atomic mass is equal to the number of protons and neutrons in an atom