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Things I Need 2 know

Qs, Vocab, Notes, etc.

QuestionAnswer
Atom Smalles unit of matter that has all the properties of that matter
Scientific Model an idea that allow us to create explanations of how we think of some parts of the world
Scientific Evidence collection of observations that many people have made
Atomic Number the number of protons in the nucleus of an atom
Mass Number the number of protons + number of neutrons
Atomic Mass same as the mass number ("weight")
Created by: carinalz
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