particles and mixtures
- Created by: emews
- Created on: 26-10-17 17:00
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- Particles and mixtures
- If solute is white then the solution is colourless
- If solute is coloured then solution will have colour
- When chemicals are let loose they diffuse
- diffusion can also happen in liquids
- Diffusion can't happen in solids
- atom is the smallest particle of an element
- molecule is a cluster of atoms joined by covalent bonds
- element is a pure substance and appear on periodic table
- compound is two or more elements chemically joined together
- mixture is two or more elements or compounds mixed together.
- mixtures can be seperated
- compounds can't be seperated
- Fractional distillation is used to seperate two or more liquids
- chromatography is used to seperate colours in compounds
- Filtration is used to seperate a solid from a liquid
- A solution is made when a solute, usually a soluble solid compound, is dissolved into a liquid called a solvent, typically water.
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