How to get the number of electrons in periodic table

- How to find the number of electrons in periodic table
- How to calculate the number of electrons in periodic table
- How to find the number of electrons in an element periodic table
- How to find number of valence electrons in periodic table
- How to find the number of electrons using periodic table
- How to tell the number of electrons from periodic table
- How to know the number of electrons in periodic table
- How do i find the number of electrons in periodic table