Silicon used in solar cells belongs to which period and group?
- Period 3, Group 14
- Period 2, Group 14
- Period 3, Group 15
- Period 3, Group 16
Answer / جواب
Period 3, Group 14
Class 9 Chemistry Chapter 8 MCQs — Periodic Table and Periodicity
Class 9 Chemistry · Chapter 8 · Retained syllabus for Annual 2027
Practise this chapter online, check each answer and review your result. The current bank contains 8 objective questions for this chapter and medium.
Sample practice questions
Which configuration pattern is characteristic of a transition element?
- Partially filled d subshell with outer ns electrons
- ns²np⁴ only
- ns²np⁵ only
- ns²np⁶ only
Answer / جواب
Partially filled d subshell with outer ns electrons
Which listed metal is the softest?
- Sodium
- Calcium
- Aluminium
- Zinc
Answer / جواب
Sodium
Which yellow element has allotropes and occurs in fossil fuels?
- Sulphur
- Carbon
- Iodine
- Aluminium
Answer / جواب
Sulphur
Printable practice
Use custom mode for a chapter paper. Board Annual mode uses the complete prescribed syllabus and published question distribution for supported subjects.