How do I write the charge and ion symbol if the protons and electrons are equal?

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Element: Gold, Atomic Number: 79, Atomic Mass: 197, Charge: ?, Protons: 79, Neutrons: 118, Electrons: 79 Ion Symbol: ?

Do you write '0' in the charge?

Do you write 'Au' in the ion symbol?

Oct 24th, 2015

Thank you for the opportunity to help you with your question!

A gold atom in ionic state would be a cation, thus, it loses one electron so to a positive +1 charge. it would be 

Au+

Please let me know if you need any clarification. I'm always happy to answer your questions.
Oct 24th, 2015

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