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Explain in terms of structure why giant ionic lattices have high melting and boiling points. [4]

Giant ionic lattices are regular structures, held together by ionic bonds. These ionic bonds are strong electrostatic forces of attraction between oppositely charged ions, acting in all directions. Energy...

RN
Answered by Ruth N. Chemistry tutor
25572 Views

what is the difference between proactive and retroactive interference?

Retroactive interference and proactive interference refers to different types of contamination memory. It affects occurs in our LTM when 2 pieces of information conflict not allowing us access to memories...

EF
Answered by Edward F. Psychology tutor
5967 Views

Comment on the use of metaphor in Simon Armitage’s poem ‘The Manhunt’ and the effect it has upon the reader.

In ‘The Manhunt’, in which a soldier’s wife describes her attempts to reconnect with her psychologically and physically damaged husband, Armitage regularly employs metaphors to convey the soldier’s fractu...

ES
10432 Views

How to ensure your Essay makes sense under timed conditions.

Firstly, Keep it simple. This might seem counter-intuative, surely you want to wow the marker with your mastery of the finer points of the english language? The fact is though if...

AV
3768 Views

Prove n^3 - n is a multiple of 3

To prove n3-n is a multiple of 3 we rely on a few simple tricks. The first is to factorise the expression.n3-n = n(n2-1)n(n2-1) = (n-1)(n)(n+1)The next trick is...

IH
Answered by Isaac H. Maths tutor
15772 Views

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