Difference between atomic number and atomic mass of an element

- What is the difference between the atomic number and atomic mass of an element in the periodic table
- Atomic number and atomic mass of an element
- Atomic number and atomic mass of an element represent
- What is the relation between atomic number and atomic mass of an element
- Difference between atomic number and mass number of elements
- Define atomic number and atomic mass of an element with example
- Define atomic number and atomic mass of an element