This course covers the parts of GCSE chemistry that most students have trouble understanding. The videos will explain how to overcome these difficult aspects so that you will be able to answer exam questions related to them with more confidence and success. This course will cover:Balancing equationsMasses and equationsExcess calculationsHalf equationsIonic equationsUnderstanding concentrationEquilibriumExothermic and endothermic reactionsThe charges on ionsGroup 1 and group 7 trendsDescribing and explaining the properties of different substancesUnderstanding concetratonEvolution of the Earth\'s atmosphereHow to calculate surface areaSignificant figuresStandard formCalculator functionsInterpreting graphs