The atomic mass number is the number of protons
- The atomic number mass number protons neutrons electrons
- Atomic mass number of protons and neutrons
- The atomic mass is the number of protons plus
- Describe how the atomic mass number is related to the number of protons and neutrons in an atom
- The atomic mass is the total number of protons and
- Atomic mass is the number of protons in an atom
- The atomic mass equals the number of protons or
- Atomic mass is the number of protons and electrons
- The atomic mass is the number of protons plus the number of neutrons
- The atomic mass is equal to the number of protons
- The atomic mass is equal to the number of protons and neutrons in an atom
- The atomic mass is equal to the number of protons plus
- The atomic mass of an element is the number of protons electrons
- The atomic mass is equal to the number of protons true or false
- Atomic mass number is the number of protons present in the nucleus of an atom