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The melodic phrases are predominantly balanced and conjunct. There is additionally melodic ornamentation, such as appoggiaturas (grace notes). There is also some chromatic movement. The harmonic progressi...

An ionic bond is the electrostatic attraction between two oppositely charged ions to form an ionic compound. The greater the charge of an ion the stronger the ionic bond as the attraction between the posi...

For two lines to be proven as parallel they must have the same gradient. The second equation needs to therefore be rearranged into y = mx + c format to see if this is the case.3y-9x+5 = 0 (subtract the 5)...

Simultaneous equations are equations that have one or more unknown values. There are a multitude of ways to solve simultaneous equations, however the elimination method is the most common at GCSE level ma...

Reactions can be explained in terms of loss and gain of electrons. Oxidation is Loss of electrons and Reduction is gain of electrons. When electrons are lost oxidation number increases, whereas reduction ...