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A gold atom is heavier than a silicon atom primarily due to its greater number of protons and neutrons in the nucleus. Gold (Au) has an atomic number of 79, meaning it has 79 protons, while silicon (Si) has an atomic number of 14, with 14 protons. The additional protons and the larger number of neutrons in gold contribute to its higher Atomic Mass, making it significantly heavier than silicon. Thus, the difference in atomic structure accounts for the weight disparity between these two elements.

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1mo ago

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