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Why are the properties of diamond and graphite different despite both being made of the same constituent element, carbon.

Steps to address questions Structure Bonds Free electrons Diamond is very hard and is a poor conductor of electricity as each carbon atom is strongly bonded to 4 other carbon elements by strong covalent bond...
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Answered by Tania F. • Chemistry tutor
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Define a surd and find the length of one side of a 50cm^2 square shape in surd form

i. A surd is an irrational number i.e. a non-whole number that can be represented as a square root, cube root etc. ii. If the area of the square shape is 50cm^2, then we know that the length multiplied by th...
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Answered by Andrew B. • Maths tutor
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I don’t think I’m smart enough for this course, should I drop it?

Maths A level is one of the hardest a levels there is, so it’s only natural that you’re going to be finding it tough. The jump from GCSE to A level is real, and if you haven’t done a further maths qualificat...
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Answered by Hope S. • Maths tutor
6168 Views

How does a syanpse work?

An electrical impulse (action potential) travels along the axon of the pre-synaptic neuron. This causes the neuron to release chemical neurotransmitters which diffuse through the synaptic cleft and bind to t...
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Answered by Pavleen D. • Biology tutor
3282 Views

When will I use this in my everyday life?

I know at first a lot of the formulae or techniques you use in maths may at first seem pointless, especially if you’re not planning on going into a scientific or mathematical field, but a lot of the things y...
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Answered by Hope S. • Maths tutor
3217 Views