For Chlorine, CI
The protons and electrons will be the same except Protons will be + positive and electrons will be - negative so your answers are 17 and -17
neutrons is 18
atomic number 17
Atomic mass: 35.453
For sodium, Na
The protons and electrons will be the same except Protons will be + positive and electrons will be - negative your answers are 11 and -11
neutrons : 12
atomic number: 11
Atomic mass: 22.9897
hope this helps good luck