The number of protons in an atom is also called
- The number of protons in an atom is called
- The number of protons and neutrons in an atom is called
- The number of protons in an atom is called its
- The number of protons in an atom's nucleus is called its
- The number of protons in an atom is called the blank
- Atom made of
- The number of protons in an atom identifies it as an atom of a particular element
- The structure of atoms
- The number of protons in an atom is known as