Question

Help with this please???

Answer 1

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