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Why are solutions of transition metal ions often coloured

Transition metal ions have, by definition, at least one partly filled d orbital (eg:3d). When in a solution, the positive charge of the transition metal ions can cause the lone elctron pairs of other ...

Answered by Stuart A. • Chemistry tutor

7694 Views

What are medical school interviews looking for?

You've spent ages writing your personal statement, working hard on your A Levels/IB, and tackling entrance exams - and it's all paid off, because you've got yourself an interview at a medical school! ...

Answered by Rebecca S. • Medical School Preparation tutor

3257 Views

What is the ideal gas equation?

The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas.

Answered by Jeremy C. • Chemistry tutor

83350 Views

How to write a good english literature essay

How to write a good English literature essay.

Answered by Emily P. • English Literature tutor

8162 Views

How do you factorise a quadratic equation?

If you are given a simple quadratic equation, for example x²+6x+8=0, then in order to factorise this you must find two numbers that add together to make the coefficient of x in the e...

Answered by Erin R. • Maths tutor

5685 Views