Chlorine (CI) can be found as an ion with a 1-charge. How does this happen?
O
A. It gains an electron.
B. It loses a proton.
O
O
c. It gains a proton.
D. It loses an electron.
When Cl changes to Cl⁻, it gains an electron. Think about it like this: electrons are negatively charged, so when chlorine has a minus sign, it's like it has one more electron.