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dflc stack
Question | Answer |
---|---|
Atom | the smallest unit of matter |
Scientific model | an idea that allows us to create explanations of how we think some part |
Scientific evidence | a collection of observations people have they all agree on it. |
Atomic mass | weight or mass of a single atom the same as mass number |
Mass number | number of protons plus the number of neutrons |
Atomic number | number of protons in the nucleus of an atom |