Unit 8 · The Periodic Table
Question Bank
Cambridge IGCSE Chemistry 0620 · 61 questions
Q12The Periodic Table
Elements in the Periodic Table are arranged in order of
(a)increasing mass number
(b)alphabetical order
(c)date of discovery
(d)increasing proton (atomic) number
Correct answer: (d) increasing proton (atomic) number
Explanation: Rows are periods; columns are groups.
Related lesson
8.1 Arrangement of elementsThe Periodic Table Tags