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What is electronegativity?

It is a measure of how much a neutral atom wants an electron, metals have very low electronegativity, they almost always give electrons up, whereas non-metals usually uptake electrons, so they have a high el...
MF
2884 Views

Calculate the area of a sector which has an acute angle of 30 degrees and a radius of 5cm.

Sector area = (angle/360) + πr 2 Therefore the answer would be: Area = (30/360) + (π x 5 2 ) = 78.62 degrees to 2dp
PH
4081 Views

With the help of a diagram, explain how collusion between energy suppliers could affect the retail prices paid by consumers. (9)

Collusion is when firms cooperate for mutual benefit. This usually occurs in oligopoly markets such as the energy market, where a few large firms compete for market share. Collusion between energy suppliers ...
OW
Answered by Oliver W. • Economics tutor
14621 Views

Discuss some of the challenges which come with deciding to protect and manage a coastline, use examples where possible.

Challenges often fall within one of the following categories: social or economic. Social issues often come from the local community, for example they may not agree with the instillation of a particular sea d...
PH
2458 Views

What do I do if I don't know a word in an oral exam?

It is important to make sure you do not speak in English. For example, do not just use the English word or ask the examiner 'wie heißt X auf Deutsch'. If you do not know a word, try your best to describe it ...
ES
Answered by Ellen S. • German tutor
2092 Views