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ChemKRMS42
| Question | Answer |
|---|---|
| Atom | It is small particles of an element that maintains the chemical properties of that element. |
| Atomic Mass | It is the total # of protons and neutrons in the nucleus |
| Atomic number | the # of protons an atom has |
| Chemistry | Study of matter, it's properties and how it changes. |
| Matter | Anything that has mass and takes up space. |
| Boiling point | Characteristic property of a substance. |
| Melting point | Solid that melts at 1 temperature only.(turns to a liquid) |
| Physical Change | Alter the form of a substance, but not identically. |
| Chemical Change | Substances combine or break apart to form new substances. |
| Mixtures | Two or more substances that are in the same place but are not chemically combined. |
| Pure Substances | Made of only one kind of matter. |
| Elements | Cannot be broken down into other substances. |
| Compounds | Two or more elements. |