2 years ago

Complete the chemical change. _______ + e - → Cl-

Chemistry

2 answers:

Rufina [12.5K]2 years ago

8 0

Answer:

Cl + e- → Cl-

Explanation:

The electrically neutral chlorine has 17 protons and 17 electrons, 7 of which are in its outer energy level. When an electron is added to a chlorine atom to complete its outer energy level it has more electrons than electrons. Electrons are negative and that is why the charge of chlorine becomes -1

Sedaia [141]2 years ago

3 0

You are left with a chloride ion, so you started off with a chlorine atom.
Cl + e- → Cl-

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