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Science
| Question | Answer |
|---|---|
| Made up of the same type of atom | ELEMENT |
| cannot be broken down into simpler subtances. | COMPOUND |
| coefficient tells you..... | number of molecules |
| a subscript tells you...... | number of atoms |
| how many atoms are there in 2H2(PCu8)2OK7 | atoms 56 |
| How many atoms are there in 6P3O7F6(H2K)9As9 | atoms 312 |
| matter changes form | physical changes |
| chemical reaction name them | light,gas,odor,bubble,precipitate,temperature,color |
| you put ............. to the solvent | solute |
| more solute more ........ | concentration |
| what affects the rate of dissolution | agitation,surface area and temperature |
| universal solvent | water |
| a new substance is formed | chemical change |
| an ice cube melts | physical change |
| when you add more solvent to the solution is becomes more | diluted |
| is boiling a chemical reaction | false |