Chemistry Revision notes

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Types of processes:

Crystallation is where you separate a solute solid from a solid . Eg, evaporating off water by heating and seeing crystals form in the containter; all water should be evaportated off. 

Filteration is the technique of filtering and separating substances that are insoluable in a particular solvent from those that are soluble in the solvent.

Chromatography is where compounds in a mixture will dissolve better than in the solvent chosen.

Fractional distillation is the separartion of a mixture into it's compotents parts or fractions.

Electronic structures:



carbon- 2+4=6




potassium + water = potassium hydroxide + hydrogen

Where do you find....

Reactive metals- Group 1 and 2


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