Same number of protons and neutrons is called
- Total number of protons and neutrons is called
- Number of protons and neutrons combined is called
- Same number of protons but different neutrons is called a(an)
- Number of protons and neutrons is called
- Sum of number of protons and neutrons is called
- Atoms with the same number of protons and neutrons are called
- Elements with the same number of protons and electrons but different number of neutrons is called