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Explain why the trend in ionisation energy changes between group 5 and 6

Group 5 and 6 have a different electronic structure, with group 6 having one extra electron that group 5. If we look at Hunds rule, which states that electrons must occupy orbitals individually before pairin...
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Answered by Kavita R. • Chemistry tutor
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I'm confused about the use of the conditional tense in German, could you explain how it's formed and its uses?

The first important thing to remember about forming the conditional tense in German is that both parts of the sentence must be in the conditional tense. Take for example the sentence 'If I woke up earlier to...
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Answered by Finn P. • German tutor
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In programming, some languages are compiled and others are interpreted. Define the difference between the two.

An interpreter translates a program into machine code one line at a time. A compiler, however, scans the entire document and translates it into machine code as a whole. The overall execution time of an inter...
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Answered by Jack C. • Computing tutor
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AS and A2 level oral and written Italian capabilities

I completed my A-level equivalent qualifications in Italy completely in Italian, despite my first language being English. I am therefore able to easily answer any questions regarding the Italian culture, the...
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Answered by Jack C. • Italian tutor
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(4-2x)/(2x+1)(x+1)(x+3) = A/(2x+1)+B/(x+1)+C(x+3) Find the values of the constants A, B and C

First, multiply throughout by the denominator of the main function to give as follows: 4-2x = A(x+1)(x+3) + B(2x+1)(x+3) + C(2x+1)(x+1) Then, choose values of x which will cause two of the constants to vanis...
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Answered by Michael C. • Maths tutor
14972 Views