Viewers tuning into The 1% Club's Christmas episode were shocked to see so many contestants knocked out by an 'easy' question ...

Percentages represent an amount out of 100. This provides a consistent base to compare against when looking at fractional parts. For example, 50%, means 50 out of 100 or \( \frac{50}{100} \). 50% ...

The questions in this quiz are suitable for GCSE chemistry students studying atom economy, percentage yield and choosing reaction pathways. If you struggled with the quiz, don't panic - we've got you!