| Compounds | ||
| #1 | What is a pure substance that is made of two or more elements that are chemically combined? | compound |
| #2 | True or False? Each substance that makes up a compound keeps its characteristic properties. | False |
| #3 | True or False? Compounds can be separated by physcial methods. | False |
| #4 | True or False? Calcium carbonate is an example of a compound. | True |
| #5 | What is the common name for the compounds sodium chloride? | Table Salt |
| Solutions | ||
| #1 | What is a solid solution of a metal or nonmetal dissolved in a metal called? | alloy |
| #2 | In a solution of salt water, what is the water called? | solvent |
| #3 | True or False? A solution is formed when two or more substances are not distributed evenly among each other. | False |
| #4 | In a solution of coffee, what are the coffee grounds called? | soute |
| #5 | What three methods could you do to dissolve a sugar cube more quickly in water? | heat it, crush it, or mix/stir it |
| Elements | ||
| #1 | Elements that are good conductors belong in what catagories on the periodic table? | metals and metalloids |
| #2 | True or False? When elements form mixtures, they retain their original properties. | True |
| #3 | What is a pure substance that cannot be broken down into simpler substances? | Element |
| #4 | Which catagory does sulfur belong to? | nonmetal |
| #5 | What is the aluminum in a pie pan? | an element |
| #1 | Is flammability a physical or chemical property? | chemical property |
| #2 | Plants use this compound for photosynthesis. | Carbon Dioxide |
| #3 | True or False? Compounds are considered pure substances because they are made up of only one type of particle. | True |
| #4 | Colloids have properties of suspensions and ______________. | solutions |
| #5 | True or False? The particles of colloids and solutions are small enough to pass through a filter. | True |
| Examples | ||
| #1 | Potting soil is an example of a _______________________. | Mixture |
| #2 | A steel crowbar is an example of an __________________. | alloy |
| #3 | Milk is an example of a _____________________. | colloid |
| #4 | A snow globe is an example of a ____________________. | suspension |
| #5 | A milk shake is an example of a ___________________. | suspension |
| Final Question | |
| Look at the table on page 69. What would the line look like for a substance that is less soluble at higher temperatures than lower temperatures? | a line slanting downward |