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With an neucleus, the charge is calculated by using the formula: number of protons x the charge of a single electron with an ion, the charge is calculated using the formula:number of extra charge x charge...

Initially one might argue that one cannot know one has hands, because any past experience of hands could merely be a dream about hands. After all, and as Descartes suggested, dreams often feel real...

Why is a refugees different from other migrants? The first definition of who is a refugee was provided by the the Refugee Convention, signed in Geneva in 1951. Nowadays that definition is still working; c...

Close reading is a very important skill required for questions that give you a passage to look at in the exam. An example A-level question might be, 'Discuss the passage from Act 1 Scene 4 of Hamlet, expl...

In late medieval Europe, the majority of Europeans accepted the Catholic Church's basic teachings and found its ceremonies and rituals meaningful. However, an increasingly vocal and significant faction of...