Class 9 Chemistry Competitive Exam MCQs – Practice Test 5 (Chapter 4)

Periodic Table and Periodicity MCQs with Answers PDF Download – Test 5

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Periodic Table and Periodicity MCQs – Practice Test 5 PDF Download

MCQ 21: Physical properties depend on the:

size of atom
size of proton
size of neutron
no. of electrons

MCQ 22: Elements that lie in the same column have:

similar properties
different properties
same physical properties
different chemical properties

MCQ 23: As we go from left to right across the period, the electron affinity:

increases
decreases
remains same
all of above

MCQ 24: Elements are arranged in order of:

decreasing atomic number
decreasing atomic mass
increasing atomic number
increasing atomic mass

MCQ 25: The decrease in the force of attraction between valence electrons and nucleus by inner electrons is called:

screening effect
shielding effect
photoelectric effect
dopler effect

Periodic Table and Periodicity MCQs App & e-Book – Class 9 Chemistry Competitive Exam

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