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FromTheMoon [43]
3 years ago
14

chlorine has an atomic number of 17. it often forms an ion by gaining 1 electron. what would its charge be?

Chemistry
2 answers:
skelet666 [1.2K]3 years ago
4 0
Since the Chlorine gained an electron, it became a chlorine ion with +1 charge. Therefore, it is Cl⁺¹.
ArbitrLikvidat [17]3 years ago
3 0

Answer:

The charge would be -1.

Explanation:

The atomic number refers to the number of protons an atom has. Chlorine is electrically neutral, so it has the same  number of positive charges (protons) than negative charges (electrons). Therefore, chlorine has 17 protons and 17 electrons. When it gains 1 electron, it will have an excess of one negative charge, so the charge of the ion will be -1, forming Cl⁻.

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