Class 9 Courses

Chapter 4: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 4

Periodic Table and Periodicity Quiz Questions and Answers PDF - 3

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Periodic Table and Periodicity Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11:

Period number of the element indicates the value of

  1. all shells
  2. valence shell
  3. 1st shell
  4. 2nd shell
MCQ 12:

The ability of an atom to attract electrons towards itself is called

  1. electron affinity
  2. electronegativity
  3. ionization energy
  4. shielding effect
MCQ 13:

The average distance between the nucleus and outer shell is called

  1. atomic size
  2. nuclear size
  3. shielding effect
  4. atomic number
MCQ 14:

The horizontal rows of the periodic table are called

  1. rows
  2. periods
  3. columns
  4. groups
MCQ 15:

The shielding effect across the period

  1. increases
  2. decreases
  3. becomes equal to above periods
  4. remains same

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