Waec Model Questions Vol1 2020 Chemistry Question 38
Practice objective / multiple choice question 38 from the 2020 Waec Model Questions Vol1 Chemistry examination.
The atomic radius of sodium (Na) is 186 pm and that of potassium (K) is 227 pm. What is the percentage increase in atomic radius when moving from Na to K? Express your answer to one decimal place.
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About This Question
This is Waec Model Questions Vol1 2020 Chemistry Question 38. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Easy .
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