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- 1C1 - Atomic structure
- 2Elements - one type of atom compound - contains more than one type of atom (chemically bonded) mixture - two types of elements mixed togetherElectrons (negative) - surrounds the nucleus in shells.
First shell = 2 electrons
second shell+ = 4 electrons - 3Nucleus = protons (positive) and neutrons (neutral)Law of Conservation of Mass
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No atoms can be created or destroyed
in a chemical reaction
the total mass of reactants = total mass of products - 4(s) = solid form (l) = liquid form (g) = gas (aq) = aqueous solution
- 5Physical Separation: Mixtures Distillation Crystallisation Chromatography FiltrationDistillation
Separates a soluble solid from a solvent. The liquid evaporates and condenses into the tube. Slowly it trickles down into the flask.
- 6Crystallisation
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- Fichas sobre Sin título, creado por CRYSTVL One el 17/06/2019.
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