10120597
Description
Flashcards by ESTELA REYES, updated more than 1 year ago
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Created by ESTELA REYES
over 8 years ago
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| Question | Answer |
| MATTER | ANYTHING THAT HAS MASS AND OCCUPIES SPACE |
| MATTER CAN BE FOUND IN THREE STATES | SOLID, LIQUID, AND GAS (PLASMA) |
| MATTER IS CLASSIFIED AS: | PURE SUBSTANCES AND MIXTURES |
| PURE SUBSTANCES CAN BE: | ELEMENTS OR COMPOUNDS |
| MIXTURES CAN BE: | HOMOGENEOUS MIXTURES OR HETEROGENEOUS MIXTURES |
| ELEMENTS | ELEMENTS CANNOT BE BROKEN DOWN INTO SIMPLER SUBSTANCES. |
| COMPOUNDS | TWO OR MORE ELEMENTS, COMBINED TOGETHER IN FIXED PROPORTIONS, FORM A DIFFERENT SUBSTANCE, CALLED COMPOUND. |
| HOMOGENEOUS MIXTURES | THE COMPOSITION IS THE SAME THROUGHOUT. THEY ARE CALLED SOLUTIONS AND THEY CAN BE IN GAS, LIQUID, OR SOLID STATE. |
| HETEROGENEOUS MIXTURES | THEY DO NOT HAVE UNIFORM PROPERTIES THROUGHOUT; THE COMPOSITION OF ONE PHASE DIFFERS FROM THE COMPOSITION OF THE OTHER PHASE(S). |
| EXAMPLES OF ELEMENTS | HYDROGEN (g), OXYGEN (g), CHLORINE (g), MERCURY (l), BROMINE (l), GOLD (s), SILVER (s), LEAD (s) |
| EXAMPLES OF COMPOUNDS | WATER, HCl, CO2, CaO, NH3, NaCl, CH4, C6H6, NO, CaCO3 |
| EXAMPLES OF HOMOGENEOUS MIXTURES (SOLUTIONS) | GAS => NATURAL GAS, AIR, LIQUID => WINE, GASOLINE, SOLID =>BRASS, BRONZE, STAINLESS STEEL |
| EXAMPLES OF HETEROGENEOUS MIXTURES | ORANGE JUICE, SCRAMBLED EGGS, PIZZA, ITALIAN SALAD DRESSING, WOOD, VEGETABLE SOUP. |
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