Kemistreeee .
| Description: | A Type of Science |
| Category: | Chemistry |
| Created by: | JukaaBarbieee on 2009-10-23 |
| Question | Answer |
| Atom | Smallest Unit of matter. Has all the chemical charicteristics of an element and cannot be seen even with a horoscope. It is mostly empty space. |
| Scientific Model | An idea that allows us to create an explanation of how we think some parts of the world works and is similar to a theory. |
| Scientific Evidence | A collection of obsevations that many people have made. Everyone agrees |
| Atomic Number | The number of protons in the nucleus of an atom. |
| Atomic Mass | The weight or mass of a single atom which is the same as the mass number. |
| Mass Number | The number of protons and the number of neutrons. |
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