Chemistry - Periodic Classification of Elements

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Question - 1

Consider the following statements

1.In Modern Periodic Table, the number of periodic is 7

2.In Modern Periodic Table, the number of periodic is 18

3.Which of  the following is/are correct?

  • A Only 1
  • B 2 and 3
  • C 1 and 2
  • D 1,2 and 3

Question - 2

Consider the following statements with reference to the Periodic Table of chemical element

1.lonisation potential gradually decreases along a period.

2.In a group of element, electron affinity decrease as the atomic weight increases.

3.In a given period,electronegativity decrease as the atomic number increases.

Which of these statements is/are correct?

  • A Only 1
  • B Only 2
  • C 1 and 3
  • D 2 and 3

Question - 3

Which of  the following is not a periodic property i.e., does not show any trend on moving from one side to the other in the Periodic Table?

  • A Atomic size
  • B Valency
  • C Radioactivity
  • D Electronegativity

Question - 4

Which group of Periodic Table contains no metal?

  • A I A
  • B III A
  • C VII A
  • D VII B

Question - 5

Match the following

Column I Column II
A.Lightest metal 1.K+
B.Non-stoichiometric compound 2.Li
C.Most water soluble hydroxide 3.Fe3O4
D.Element with zero electron affinity 4.Ne
  • A A B C D 2 3 1 4
  • B A B C D 3 1 4 2
  • C A B C D 1 4 3 2
  • D A B C D 4 2 1 3

Question - 6

The long form of Periodic Table consist of

  • A 8 horizontal and 7 vertical series
  • B 7 horizontal and 18 vertical series
  • C 7 horizontal and 7 vertical series
  • D 8 horizontal and 8 vertical series

Question - 7

Transition metals are often paramagnetic owing to

  • A high mp and bp
  • B the presence of vacant orbitals
  • C the presence of unpaired electrons
  • D malleability and ductility

Question - 8

In a period, the electrons are arranged in the order of

  • A constant charges in the nucleus
  • B equal charges in the nucleus
  • C decreasing charges in the nucleus
  • D increasing charges in the nucleus

Question - 9

All the elements in  the group in the Periodic Table  have the same

  • A atomic weight
  • B number of valence electrons
  • C atomic number
  • D None of the above

Question - 10

Match the Column I and Column II.

Column I Column II
A.Elements in group I A 1.Insert gas
B.Elements in group zero 2.Alkali metal
C.Elements of d-block 3.Inner-transition
D.Elements of f-block 4.Transitiionelement
  • A A B C D 2 1 4 3
  • B A B C D 1 4 3 2
  • C A B C D 4 3 2 1
  • D A B C D 3 2 1 4
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