Question

If number of electrons in an atom is 8 and number of protons is also 8, then 

i) what is the atomic number of atom? 

ii) what is the charge on the atom?

Answer 1

i) The atomic number of atom is 8. 

ii) The electronic configuration of atom is 2, 6. By gaining two electrons it will get nearest inert gas configuration Neon. So, the charge on the atom is – 2.