Final answer:
Antoine Lavoisier correctly identified mercury as an element and incorrectly identified light as matter through his groundbreaking experiments showcasing the conservation of mass.
Explanation:
Antoine Lavoisier correctly characterized mercury as an element. He incorrectly characterized light as matter. Lavoisier's experiments, such as heating mercury oxide to produce oxygen and mercury, demonstrated the conservation of mass, leading to the law of conservation of matter in chemistry.
Learn more about Antoine Lavoisier's identification of elements and the conservation of mass. here:
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