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Explain the trend in Ionisation energy when moving across a period and down a group
Key definitions/explanation of terms
Ionisation energy is the energy required to remove one mole of electrons from
Integrate the following function by parts and reduce it to it's simplest form. f(x) = ln(x).
First note that ln(x) = 1ln(x), this is in the form udv/dx.
Let dv/dx = 1 and u = ln(x).
du/dx = 1/x from the standard results and v = x by integration.
