Lesson
Lesson-4.1.2- Deduce the formula of a simple compound from a model or a diagrammatic representation ??? Construct word equations and simple balanced chemical equations.
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Lesson-4.1.3- Define relative atomic mass, A r, as the average mass of naturally occurring atoms of an element on a scale where the 12C atom has a mass of exactly 12 units.PreviousLesson-4.1.1- Use the symbols of the elements and write the formulae of simple compounds ??? Deduce the formula of a simple compound from the relative numbers of atoms present.Next