The atomic number of an element refers to the number of
- The atomic number of an element refers to the number of protons it has
- The atomic number of an element refers to the number of protons it has. true or false
- The atomic number of an element refers to the number of in one atom of that element
- The atomic number of an element refers to the number of this subatomic particle
- The atomic number of an element refers to the number of blank in the atoms of that element
- The atomic number of an element refers to the number of responses
- The atomic number of an element refers to the number of blank in one atom of that element
- Atomic no of all elements
- How to find atomic number
- Atomic mass atomic number