What does atomic number refer to
- What does atomic number equal to
- What does the term atomic number refer to
- What does atomic number of an element refer to
- What does atomic number correspond to
- What does atomic number correlate to
- What does atomic number relate to
- What does the atomic number refers to
- What does the atomic number of an isotope refer to
- What property of an element does its atomic number refer to on the periodic table
- What part of the atom does the atomic number refer to