How to determine the amount of electrons an element has

- How to determine the amount of valence electrons an element has
- How do you determine the amount of electrons an element has
- How to determine the number of electrons an element has
- How can you determine the amount of valence electrons an element has
- How do you determine the amount of valence electrons an element has
- How do we determine the amount of valence electrons an element has
- How to determine number of valence electrons
- How to find the number of valence electrons
- How to find number of valence electrons from electron configuration