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An atom is a neutral particle, an ion is a charged particle.Taking a sodium (²³Na) and sodium ion (Na⁺) as an example:Firstly, we need to break down both into their subatomic particl...

At any stationary point, the gradient of a line is zero.
Therefore dy/dx = 0. If we differentiate the equation of the line, and solve this expression we can find the coordinates of the stationary po...

A referendum is aa single-issue vote which can be either binding or advisory. Firstly, they have been criticised as they can be said to undermine the representative democracy of the UK. This is because in...

Depending on whether you're talking about the subject or the object of the sentence, that's when you need to choose either 'qui' or 'que'.Just to recap, the subject is the thing doing the action, and the ...

To integrate this function, we must first recognise that ln(x) can be treated as 1 multiplied by ln(x). Using this knowledge, we can apply the 'integration by parts method' to integrate the function.Formu...