O Level · Chemistry · Hard level · 7 questions
The Periodic Table: Exam Style
Groups, periods and the trends down Group I and Group VII, explained from electron shells, the section where "describe" and "explain" are two different marks. This quiz is the hardest level, with O Level exam-style questions that mix the ideas together. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
Take this quiz with a free account
Your score is saved against The Periodic Table, so you can see which topics are solid and which need another go.