How to determine amount of electrons in an element

- How to determine the electrons of an element
- How to determine amount of valence electrons in an element
- How to determine the amount of electrons an element has
- How to determine the amount of protons neutrons and electrons in an element
- How to determine number of electrons in an element
- How do you determine the amount of electrons in an element
- How do you determine the amount of valence electrons in an element
- How to determine number of electrons an element has