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How can we learn as much vocabulary as possible during these sessions?

In A-level books, each is separated into several topics with short lists of vocabulary. By talking about these topics, I will ask you to write any important new wword down and ask you to learn them at home i...
PR
Answered by Penrose R. • French tutor
3243 Views

Why do ionisation energies increase across a period?

It's experimentally observed that ionisation energies have a general increase as one moves across the period: the first ionisation energy of lithium is ~500 kJ mol‑1, whereas that of neon is over 2000 kJ mol...
TD
Answered by Tom D. • Chemistry tutor
11945 Views

What's the best way to memorise quotes for a closed-book exam?

Learning quotes for a closed-book exam can seem like a very daunting task, especially when you've studied a text in detail for an entire year. But it is an essential task as examiners are looking for good un...
EC
14794 Views

Solve simultaneously: x + y + 3 = 0 and y = 2x^2 +3x - 1

First Step: I believe here it is important to firstly look at each equation on its own and just try to think how the examiner would want you to answer this type of question. Second Step: Recognise that both ...
JS
Answered by Jamie S. • Maths tutor
5330 Views

Give examples of how the photoelectric effect supports the particle nature of light and defies the wave theory.

The photoelectric effect is the emission of electrons from a metal when light is incident on the surface. The effect is due to the absorption of energy by the surface electrons causing them to become excited...
BH
Answered by Ben H. • Physics tutor
33741 Views