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What happens to the melting and boiling points of the halogens as you go down the group?

The boiling points of the elements in Group 7 tend to increase as you go down the group because the molecules get larger and the intermolecular forces get stronger.
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Answered by Rytis B. • Chemistry tutor
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What is the difference between animal (eukaryotic) and bacteria (prokaryotic) cells?

The main difference between the following two is that bacterial cells do not possess a nucleus or any membrane-bound organelles. In addition to that, bacterial cell walls are made out of murein, plasmids are...
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Answered by Rytis B. • Biology tutor
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How can I successfully answer an essay question which asks me to analyse the effect of various factors on a particular outcome? (E.g. How different events contributed to causing WW2)

The key to answering lengthy essay questions lies in two things: (1) Planning and (2) Structure. When analysing the significance of various factors, it is imperative to make a detailed plan in order to clari...
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Answered by Lulua M. • History tutor
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How to we increase the rate of a reaction?

A reaction will occur if two reactants collide with each other with enough energy to overcome the 'activation energy'. The activation energy is the minimum amount of energy the reactant particles need in ord...
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Answered by Megan D. • Chemistry tutor
6123 Views

How should i structure my paragraph when analysing texts

It is useful to follow the PEA paragraph structure when analysing writing. This stands for POINT, EVIDENCE, ANALYSIS. So, you would first clearly state the point you wish to make, quote the writer to give an...
DP
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