Class 9 Chemistry MCQs - Chapter 4

Periodic Table and Periodicity Multiple Choice Questions (MCQ) PDF - 4

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Periodic Table and Periodicity Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: The period number of ²⁷₁₃Al is

MCQ 17: In periodic table elements with similar valence shell configuration are placed in

different groups
same group
different period
same period

MCQ 18: When an electron is added in the valence shell than

energy is absorbed
energy is released
energy remains same
force of attraction increases

MCQ 19: The value of ionization energy

decreases down the group
increases down the group
remains same down the group
decreases in period

MCQ 20: Groups contain alkaline earth metals are

IA
IIIA
IIA
IVA

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