Lesson
Lesson-9.1.4- Predict the properties of other elements in Group I, given data, where appropriate.
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Lesson-9.1.3- Describe lithium, sodium and potassium in Group I as a collection of relatively soft metals showing a trend in melting point, density and reaction with water.PreviousLesson-9.1.5- Describe the halogens, chlorine, bromine and iodine in Group VII, as a collection of diatomic non-metals showing a trend in colour and density and state their reaction with other halide ions.Next