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science chap.2
earth science
| Question | Answer |
|---|---|
| ion | an atom with an electrical charge |
| mixture | a combineation of different substance in which each if the components keeps its own physical and chemical properties dispite being mixed |
| compound | a type of matter containing two of more chemical combined elements and havimg physical and chemical properties different from each of the elements in it |
| chemical properties | characteristics of an element or compund that determines how it will react with other elements or compounds |
| molecules | the smallest particle of a compound that still keeps all the properties of the compounds; it is formed by the combining of two pr more atoms |
| solutions | a kind of mixture formed when one substance is dissolved in another |
| density | how highly packed a substance's molecules are; the mass if an object divided by its volume, in g/cm3 |