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Periodic Table of Elements (Class - X)

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15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Who stated that the properties of elements are the periodic functions of their atomic masses?

  1. Dobereiner
  2. Newland
  3. Mendeleev
  4. Moseley
Question 2 Multiple Choice (Single Answer)

Which of the following determines the group for an element in modern periodic table?

  1. Electrons in inner shells
  2. Electrons in outermost shells
  3. Protons in the nucleus
  4. Both protons and neutrons
Question 3 Multiple Choice (Single Answer)

Which of the following is the representative element of group 14?

  1. Oxygen
  2. Nitrogen
  3. Carbon
  4. Boron
Question 4 Multiple Choice (Single Answer)

By what name are elements of group 17 known?

  1. Noble gases
  2. Alkali metals
  3. Transition elements
  4. Halogens
Question 5 Multiple Choice (Single Answer)

Which of the following does not belong to zero group?

  1. Helium
  2. Neon
  3. Fluorine
  4. Argon
Question 6 Multiple Choice (Single Answer)

Which of the following elements do not form alkali with water?

  1. Sodium
  2. Sulphur
  3. Potassium
  4. Lithium
Question 7 Multiple Choice (Single Answer)

What is the determining factor for an element to be kept in a period?

  1. The number of shells in an atom of an element
  2. The number of electrons in outer shell of an atom of an element
  3. The number of protons and neutrons in the nucleus of an atom
  4. The number of neutrons in the nucleus of an atom
Question 8 Multiple Choice (Single Answer)

Which of the following is the electronic configuration of bromine?

  1. 2, 7
  2. 2, 8, 7
  3. 2, 8, 18, 7
  4. 2, 8, 18, 18, 7
Question 9 Multiple Choice (Single Answer)

Which of the following correctly defines the valency of an atom?

  1. The number of electrons in outer orbit of an atom
  2. The number of electrons in inner orbit of an atom
  3. The number of electrons, which an atom can donate, accept or share
  4. The number of shells present in an atom
Question 10 Multiple Choice (Single Answer)

Which of the following is the smallest atom?

  1. Carbon
  2. Nitrogen
  3. Oxygen
  4. Fluorine
Question 11 Multiple Choice (Single Answer)

Which of the following is the strongest reducing agent?

  1. Sodium
  2. Magnesium
  3. Aluminum
  4. Silicon
Question 12 Multiple Choice (Single Answer)

Which of the following is larger than its parent atom?

  1. K+
  2. Na+
  3. $Cl^-$
  4. Mg2+
Question 13 Multiple Choice (Single Answer)

Which of the following has zero electron affinity?

  1. Hydrogen
  2. Lithium
  3. Helium
  4. Oxygen
Question 14 Multiple Choice (Single Answer)

Which of the following is correctly matched?

  1. Sodium: (Group I, Period 3)
  2. Aluminium: (Group III, Period 4)
  3. Carbon: (Group V, Period 3)
  4. Nitrogen: (Group V, Period 3)
Question 15 Multiple Choice (Single Answer)

Mendeleev's periodic table does not help in ________________.

  1. systematic study of elements
  2. prediction of new elements
  3. correction of atomic masses
  4. position of isotopes
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