Question

chlorine gains one electron in its last shell. what will be the charge of chlorine​

Answer 1

Answer:

Again, it is more energy-efficient for chlorine to gain one electron than to lose seven. Therefore, it tends to gain an electron to create an ion with 17 protons, 17 neutrons, and 18 electrons, giving it a net negative (–1) charge.

Explanation:

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Answer 2

-1 . because it needs only one electron. so chlorine can never be +1 charge