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Explain why fluorine and chlorine are in the same group of the periodic table.

These elements are in the same group in the periodic table due to their electron configurations: fluorine: 2, 7 chlorine: 2, 8, 7 They both have 7 electrons in their outer shell, so therefore are both in gro...
MV
Answered by Mia V. • Chemistry tutor
47736 Views

Expand and simplify (3x+2) (x-5)

We expand this term by term. To make sure we expand every term, I use the beak method. To do this, draw 2 curves over the equation from the 3x to the x , and then a second curve from the x to the + 2 . Then ...
DS
Answered by Dominic S. • Maths tutor
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What is the subjunctive and when do I use it in Spanish?

While different tenses describe when an action happened, different moods describe how the speaker feels about the action. There are three moods in Spanish: the indicative (which will be the tense you normall...
AJ
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What is a disproportionation reaction?

A disproportionation reaction is when an element is both oxidised and reduced in the same reaction. You check this by looking at the oxidation state of the element at the begining of the reaction and then wh...
MV
Answered by Mia V. • Chemistry tutor
59170 Views

I am worried about the quantitative reasoning section of the UKCAT as it doesn't look like A-Level maths! How can I best prepare?

The quantitative reasoning section of the UKCAT is designed to assess general numerical skill, and so may appear quite contrasting from the sort of maths you will be used to in A-Level. You almost need to go...
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Answered by Eleanor B. • UCAT tutor
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