Elements vs. Compounds vs. Molecules
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Hi, I'm Lily and this is my project on Elements, Compounds, and Molecules.
An Element is a material made of one kind of atom.An example of an Element is Cr which is chromium.
A Molecule is a pure substance composed of two or more different elements that are chemically bonded. An example of a Compound is HN03 Nitric acid.
A Molecule is a group of two or more elements held together by chemical bounds. An example of a Molecule is H3N it is amino acid.
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