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Stack Chapt.1 Info
Stack #94743
| Question | Answer |
|---|---|
| building blocks of matter | elements |
| examples of properties of matter | hardness, shape,texture,temp.,flammability, and color |
| examples of compounds | carbon dioxide(CO2) and hydrogen peroxide(H2O2) |
| example of mixtures | soil |
| example of physical change | chopping wood,bending copper wire into shapes, and changes in state |
| example of chemical change | rusting iron, burning of gas in a car engine, and vineger and bakeing soda |
| about mass | if you took and object to the moon it's mass would remain the same |
| about volume | V=B*H*W: cm3 is a common unit of volume |
| about density | D=M/V: g/cm3 is a common unit of density |
| waters density | 1.0 g/cm3 |
| Dalton's Ideas | atoms cannot be broken down into smaller pieces, atoms of different elements are different, atoms of each element have a unique mass, and the masses of the elements in a compound are always in a constant ratio |
| atoms and molecules | two atoms bonded together make one molecule |
| gold's density | usually found in nature as an element and can be seprated from other materials because of its density |
| removing compounds | chemical reaction is needed to remove an element from its compound |
| suspensions and solutions | unlike suspensions solutions are the same throughout |
| example of solvent and solute | solution of table salt and water: solvent is water and the solute is salt |
Created by:
superdeduper
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