simple model of the atom

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Last updated 7:56 AM on 6/11/26
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6 Terms

1
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what is the atomic number

the number of protons

2
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what is the mass number

the number of protons and neutrons

3
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what is an element

a pure substance made that consists of only one type of atom

4
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what is a compound

a pure substance made up of two or more elements chemically combined

5
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what is a mixture

a combination of two or more subtances that are not chemically combined

6
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3 ways mixtures can be seperated

filtration

chromotography

distillation

evaporation