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By the VSEPR (Valence shell electron pairs repulsions) theory, even though there are four electron pairs on C and N, the presence of a lone pair of electrons on N increases the repulsions, meaning that the N...

There are numerous ways to approach poetry. I would advise a student to start by chronologically making their way through, stanza by stanza, analysing language, imagery, metaphor. I would suggest that they f...

You've probably included sentences for particular structures, or framed around good key phrase, so don't just mememroise like speech, remember why you've written that sentence Make arsenal of phrases that ar...

There are three types of intermolecular forces; 1. Van der Waal forces 2. Dipole-dipole forces 3. Hydrogen bonding Van der waals are the weakest and hydrogen bonding is the strongest. Van der Waal forces exi...

During the 1930s, the British government chose to follow a policy of appeasement in order to prevent a war from breaking out between Britain and Germany, and the decision to do so was certainly a wise one. T...