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Why does the ionisation energy of period 2 elements increase along the period, but drop for boron and oxygen?

There are three properties to consider when looking at ionisation energy:Atomic chargeAtomic radiusElectron shieldingGoing along a period, the atomic charge increases as there are more protons in the nucleus...
AL
Answered by Abbie L. • Chemistry tutor
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Explain one advantage and one disadvantage of using focus groups as a method of Market Research.

One advantage of using Focus groups as a method of market research is that it allows a company to receive immediate feedback and ideas for improvement. Due to this quick feedback it allows a business to imme...
MS
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How significant was the role of the secret police in maintaining communist control in the years 1917-85?

This question is a breadth question asking a student to assess changing significance of aspects of communist control. Secret police is the example given in the question and therefore must be used. Other fact...
TK
Answered by Tom K. • History tutor
11353 Views

Integrate ∫sin²xcosxdx

This indefinite integral (has no defined limits) should be evaluated by integration by substitution This is because you cannot integrate sin 2 xWhen doing integration by substitution, the first thing we need...
RK
Answered by Rachel K. • Maths tutor
8219 Views

Explore the ways that parent-child relationships are used in William Shakespeare's Hamlet.

Begin by determining: what are the major parent-child relationships within the text? Student might answer: Hamlet and the Ghost Hamlet and Gertrude Ophelia and Polonius Laertes and Polonius Continue by worki...
SJ
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