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chemistry tralala
Question | Answer |
---|---|
Atom | The smallest unit of an element indivisible by chemical reaction |
Scientifc Model | An idea that allows us to to create Explanations of how we think some part of tha world works. |
Scientific Evidence | Collection of observations that many people have made.Everyone agrees on the same collection of observations |
Atomic Number | Number of protons in an atomic nucleus of an element. |
Mass Number | The number of protons added to the number of neutrons in an atom |
Atomic Mass | The average weight of an atom of an element. |