How is atomic mass of an element calculated

- How is the relative atomic mass of an element calculated
- How is the atomic mass of an element calculated from isotope data
- How is the average atomic mass of an element calculated
- How is the weighted average atomic mass of an element calculated
- How is the atomic mass number of an element calculated
- How is the atomic mass of an element calculated and why is it usually not a whole number
- Explain how the atomic mass of an element is calculated
- How is the atomic mass of an element on the periodic table calculated
- Describe how the atomic mass of an element is calculated
- Explain how the average atomic mass of an element is calculated
- How is the relative atomic mass of an element in the periodic table calculated
- What is an atom how does an atom exist how is atomic mass of an element calculated