How to determine protons neutrons and electrons of an element

- How to determine the number of protons neutrons and electrons of an element
- How to determine the amount of protons neutrons and electrons in an element
- How to determine the number of protons neutrons and electrons from an element square
- How do you determine the number of protons neutrons and electrons of an element
- How to determine the number of protons electrons and neutrons in an atom of a specific element