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atom`ss apple
Question | Answer |
---|---|
atomic mass | the 'weight of an atom - the same as the mass number |
atom | the smallest unit of matter has the chemical characterisitcs of an element |
scientific evidence | collection of observations that many people have made. |
atomic number | number of protons in the nucleus of an atom #protons=#elections, as long as the atom is neutral (has no charge) |
mass number | a number of protons+ number of neutrons |
scientific model | an idea that allows us to create explanations of hoe we think some part of the world works, similar to a theory. |