lets go #71 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
physical change | a change from one state (solid or liquid or gas) to another without a change in chemical composition |
compound | Made up or consisting of several parts or elements |
insolule | Incapable of being dissolved |
closed system | a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it. |
alkaline-earth meatals | The alkaline earth metals are a group of elements |
ionic bond | a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion |
heterogeneous mixture | a mixture is a material system made up by two or more different substance which are (mixed) together but are not combined |
melting point | The temperature at which a given solid will melt |
alkali meatals | Any of the highly reactive elements lithium, sodium, potassium. |
ion | An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. |
Created by:
leftbrain
Popular Science sets