Periodic Table and Periodicity Multiple Choice Questions and Answers 1 PDF Book Download

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MCQ on Periodic Table and Periodicity Worksheets 1 PDF Book Download

MCQ: Both of elements of 1st period contains valence electrons in

  1. M shell
  2. N shell
  3. K shell
  4. S shell


MCQ: In periodic table, helium is placed at

  1. top left corner
  2. bottom right corner
  3. bottom left corner
  4. top right corner


MCQ: Across period atomic size decreases due to

  1. shielding effect
  2. photoelectric effect
  3. increase in nuclear force of attraction
  4. decrease in nuclear force of attraction


MCQ: First three periods are

  1. long periods
  2. short periods
  3. moderate periods
  4. none of above


MCQ: On basis of electronic configuration group and period of 95B is

  1. 2 and IIIA
  2. 3 and IIA
  3. 4 and VIA
  4. 5 and VIIA