Number of protons and neutrons combined is called
- Total number of protons and neutrons is called
- 3 the number of protons and neutrons combined is called the
- Number of protons and neutrons is called
- Same number of protons and neutrons is called
- The combined number of protons and neutrons in an elements is called
- The combined number of protons and neutrons in a single atom is called its atomic
- The combined number of protons and neutrons in the nucleus of an atom is called its