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In a Periodic Table, yes. For example, sodium's atomic number is 11, that means it has 11 protons and electrons because in the periodic table the elements have no charge. However, the sodium ion (Na+) has 1 positive charge, which means that metal lost 1 electron. Therefore, the number of protons never change because otherwise it would be another element, but the number of electrons will decrease by 1.

Na = 11 protons and electrons.
Na+ = 11 protons and 10 electrons = 1+ charge

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