Question: Click in the answer box to activate the palette. monatomic ion has a charge of +2. The nucleus of the parent atom has a mass

Click in the answer box to activate the palette. 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? Mngs

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