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Chemical IdentityPlay
Defines a specific substance, with unique characteristics distinct from other materials. SlideSalt is a molecule composed of sodium and chloride.
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Not VisiblePlay
Molecules are too small to be seen with the naked eye; scientific models represent them. SlideThe structure of a DNA molecule is often shown with a double helix model.
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Essential VocabularyPlay
Knowing the word molecule is crucial when discussing science topics, especially in chemistry. SlideThe lecture explained how molecules react with one another during a chemical reaction.