How to find electrons of periodic table

- How to find valence electrons of periodic table
- How to find number of electrons periodic table
- How to find number of electrons using periodic table
- How to find valence electrons of an element with periodic table
- How to find number of valence electrons periodic table
- How to find number of electrons in an element periodic table
- How to find amount of electrons periodic table
- How to find electrons on periodic table with mass number
- How to find electrons of an element on periodic table
- How to find no of electrons in periodic table