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atoms 10/23/09
atoms
Question | Answer |
---|---|
Atom | The smallest unit of matter |
Scientific model | An idea that allows us to create explanations of how we think some part of the world works. |
Scientific Evidence | When a model is accepted by the scientific community. |
Atomic Number | The number of protons in the nucleus of an atom. |
Mass Number | The number of protons and nimber of electrons. |
Atomic Mass | Weight or mass of a single atom same as mass number. |