Answer :
The nuclear charge of gold will be +1.
The sum of all the protons' internal charges makes up the nuclear charge. Nuclear charge could be replaced with effective nuclear charge because this phrase takes the behavior of all electrons into consideration, whether they are part of the valence shell or just the inner shell.
Gold has 79 protons it its nucleus. and 118 neutrons . So, it will have one +1 charge .
Therefore, nuclear charge of gold will be +1.
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