Chem: Elements ,compounds and mixtures.
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Last updated 2:26 PM on 1/2/26
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5 Terms
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Define atom
this is the smallest piece of matter that contains nucleus which has protons and neutrons and electrons on the electrons shells.
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Define element
This is a group of atoms that share the SAME number of protons and cannot be split any further.
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Compound
This is two or more elements that are chemically reacted together to form a new substance which has different chemical properties from the original elements used.
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Define mixture
This is two or more substances that are combined without changing any chemical properties and form 2 or more substances at the end of the experiment and can be sepeted.
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Note 
Flashcards (78)