Answer:
number 1 I think
Explanation:
I did this at school but forgot
When an ion is formed, the number of protons does not change. By removing an electron from this atom we get a positively charged Na+ ion that has a net charge of +1. Atoms that gain extra electrons become negatively charged. A neutral chlorine atom, for example, contains 17 protons and 17 electrons
The molecule of that compound! Hope this helps!
(1,2 because c is already on the other side so you have to reverse it