Question: i need help A Se ion has a mass number of 75 and a charge of 2. Determine the number of neutrons, protons, and electrons

i need help

A Se ion has a mass number of 75 and a charge of 2. Determine the number of neutrons, protons, and electrons in this ion. An atom or ion has 43 neutrons, 36 protons, and 36 electrons. Identify the element symbol, and determine the mass number and charge for this atom or ion

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