Explain difference between atomic number and mass number

- Explain the difference between mass number and atomic number of a nuclide
- Explain the difference between the atomic number and mass number of an atom
- Explain the difference between the atomic number and mass number of an element
- Explain the relation between atomic number and mass number
- What is the difference between atomic number and mass number explain in complete sentences
- Explain atomic number and mass number
- Explain atomic number and mass number with example
- Explain atomic number and mass number class 11
- Explain the difference between z the atomic number and a the mass number
- Explain the difference between mass number and average atomic number