A sodium atom changes into a sodium ion by losing electrons. When an atom loses an electron, it's number of protons and electrons are not balanced. When an atom loses an electron (negative charge) it becomes more positive. Hopefully this helps!
5 nitrogen, 1 hydrogen, and 1 oxygen I think
<u>Chemical</u>. The copper atoms form new chemical bonds with atoms in the air.
Answer is in a photo. I can only upload it to a file hosting service. link below!
bit.
ly/3a8Nt8n
