Class 9 Online Courses

Chapter 4: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 4

Periodic Table and Periodicity Trivia Questions and Answers PDF - 4

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Periodic Table and Periodicity Trivia Questions PDF Download: Chemistry Quiz 4

MCQ 16: The period number of 2713Al is

A) 1
B) 2
C) 4
D) 3

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

A) different groups
B) same group
C) different period
D) same period

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

A) energy is absorbed
B) energy is released
C) energy remains same
D) force of attraction increases

MCQ 19: The value of ionization energy

A) decreases down the group
B) increases down the group
C) remains same down the group
D) decreases in period

MCQ 20: Groups contain alkaline earth metals are

A) IA
B) IIIA
C) IIA
D) IVA

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