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Explain why potassium has a greater first ionisation energy than rubidium.

The outer electron of potassium is closer to its nucleus than the outer electron for rubidium, as it has a stronger attractive force between the electron and the potassium nucleus. The outer electron for K a...
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Answered by Arinjay J. • Chemistry tutor
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How many real life examples do i need for application points?

The more real life application the merrier. Watching the news and keeping up to date with current global and domestic economic issues is a key for this exam. If you have more current and relevant examples, t...
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Answered by Ula E. • Economics tutor
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How many past papers should i do before the exam?

I cannot stress this answer enough, but, ALL of them. TWICE, at least. When it comes to Maths, past papers will without a doubt be the key to unlock your target grade. Success in maths comes with practice, a...
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Answered by Ula E. • Maths tutor
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The cost of one original glazed doughnut is £1.45. a) Find the cost of twelve doughnuts. The doughnut seller is offering customers a special deal: “Twelve doughnuts for £9.45” b) How much will each customer save?

a) 1.45 x 12= £17.40 b) (answer from part a-£9.45) 17.40 - 9.45= £7.95
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Answered by Wonu A. • Maths tutor
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'Religious language is meaningless'. Evaluate and discuss this statement.

Answer should demonstrate a coherent structure. Student should evaluate claims that disagree with their standpoint. Can include 'Logical positivists', verfication/falsification principle, A.J. Ayer. Should d...
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Answered by Wonu A. • Philosophy tutor
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