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Unsaturated carbon chains contain one or more C-C double bonds. Due to the C-C double bonds, the chain is kinked which means it is not able to pack regularly which results in a lower melting point.

To work out an oxidation state of an atom you need to assign the electrons on the atoms outer shell to the most electronegative atom.O>N>C>H. Electrons in the outer shell of two of the same atoms...

How to structure an exam question - this relies on the introduction which should state:Line of argument (1 sentence)Why this is your opinion - in this case, what does 'too powerful' mean. This requires an...

Je l'ai acheté pour une bouchée de pain - 'mouthful of bread' / fig. 'it didn't cost much'
Faire la grasse matinée - 'fat morning' / fig. 'to sleep in / lie in'
Tomber dans le panneau - 'to fall...

Taking apart the question and analysing, or defining, almost every word is key in English Literature at A Level. It is important in this example to understand how one might manipulate the question, as to ...