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Chemistry, 18.09.2021 20:10 pickelswolf3962

A monatomic ion has a charge of +2. The nucleus of the parent atom has a mass number of 55. If the number of neutrons in the nucleus is 1. 2 times that of the number of protons, what is the chemical symbol of this element?

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A monatomic ion has a charge of +2. The nucleus of the parent atom has a mass number of 55. If the n...

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