alchemists searched for ways to change lead into gold. Which type of change must occur for this conversion to happen?
chemical
phase
physical
nuclear
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Nuclear change will convert lead into gold.
Explanation:
There is a process called nucleosynthesis. The stellar explosion of a supernova produces elements heavier than iron. Gold can be turned into lead in a supernova, but not the other way around. Although it is unlikely that lead will ever be converted to gold, gold can be extracted from lead ores.
In modern times, it has been discovered that lead can be converted to gold, but only in trace quantities and not by alchemy. The use of a particle accelerator to transform one element into another is known as nuclear transmutation.
Option D, nuclear is the answer.
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