How to work out the mass number of an atom

- How do you work out the mass number of an atom
- How to work out the mass of an atom
- How to work out the mass of an atom using avogadro's constant
- How to work out the relative atomic mass of an atom
- How to work out the mass of one atom
- How to work out the atomic mass of an element
- How do you work out the mass of an atom
- How to calculate the number of neutrons in an atom
- Atomic mass atomic number
- How to find atomic number
- How we can find mass number