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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...

The probability of an event= Number of ways an event can occur/ Total number of possible outcomesBoth dices land on values less than 4. This means they both can be 1,2 or 3. Therefore, number of ways the ...

The first ionisation energy is the energy required to remove one electron from an atom. Down a group, there are more electron shells surrounding the nucleus, which results in a greater shielding from the ...