Problem: Which of the following is a symbol representing the ion obtained by removing two electrons from 63Cu ?

FREE Expert Solution

The removal of two electrons will cause the atom to have an overall charge of 2+

  • Since the mass number, shown as a superscript before the element symbol, is the sum of protons and neutrons in the nucleus of an atom, the removal of electrons does not alter the mass number of the atom.
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Which of the following is a symbol representing the ion obtained by removing two electrons from 63Cu ?

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