The Exam Hall

Setting out the paper…

Topics covered in this unit

5 topics tagged
  • Structure of Atom12
  • Isotopes and their Masses10
  • Bohr's Atomic Model8
  • Atomic Number and Mass Number6
  • Relative Atomic Mass4

Every question is tagged to one of these topics, so your result shows which part of the chapter to revise.

Before you start

There is no negative marking on this paper, so leave nothing blank.

Same subject mix

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Frequently asked questions

How many MCQs are in Class 9 Chemistry Unit 2: Atomic Structure?
This test has 40 MCQs and a 40-minute timer. There is no negative marking.
Which topics does Class 9 Chemistry Unit 2 cover?
Structure of Atom, Isotopes and their Masses, Bohr's Atomic Model, Atomic Number and Mass Number and Relative Atomic Mass. Each question is tagged to one of these topics, so your result shows which ones to revise.
Which textbook is this Class 9 Chemistry unit based on?
It follows Unit 2, "Atomic Structure", of the Class 9 Chemistry textbook published by the Punjab Curriculum and Textbook Board (PCTB).
Can I practise the other Class 9 Chemistry units?
Yes. Class 9 Chemistry has 12 unit tests, all listed on the Class 9 Chemistry chapter-wise page, and the full Class 9 set is on the Class 9 page.