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y = k √x20 = k √49 20/7 = ktherefore y = 20/7 √x

Due to the broadness of this question, there are a lot of approaches in how to answer it. It is important for students to understand what exactly the quote is saying and what the question is asking. Essen...

It is up to you how much work you do to prepare however, I would warn you that you can definitely do to much. Prepare to the point where you feel confident answering most questions but in the interviews, ...

Use the mark schemes. These change very little over the years and were my go to during A levels and GCSEs. Do as many past papers as you can possibly get your hands on and work out what the exam board giv...

Going across a period there is generally an increase in first ionisation energy. This is because there are more protons in each nucleus leading to a greater positive charge and stronger electrostatic forc...