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What types of radiation are there?

When the nucleus of an atom is unstable, it occasionally emits either waves or particles to stabilise itself. The three types of radiation are: Alpha particles, Beta particles and Gamma waves. Alpha particle...
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Answered by Daniel W. • Physics tutor
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What are the differences between the four types of cadence?

A perfect cadence is chords V-I. When there is a perfect cadence the music sounds finished. An imperfect cadence is any chord moving to V (e.g. I-V, II-V, IV-V). The music does not sound finished. An interru...
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Answered by Sophie H. • Music tutor
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What is the best method for poetry analysis and revision?

Analysing a poem is most importantly demonstrating how certain features and techniques serve to emphasise a poem's subject and themes. Make sure this is at the back of your mind throughout your analysis and ...
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Answered by Iona M. • English tutor
5338 Views

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
3189 Views

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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