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Periodic Classification of Elements Quiz 1

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15 Questions

Popular Questions In Periodic Classification of Elements Quiz 1

  • If A, B and C are Dobereiner’s Triads of atomic mass x, y and z respectively. Then, which of the following relation is correct?

  • The number of triads identified, from the elements known at that time by Dobereiner.

  • Name of the element after which octaves rule did not possess properties similar to that of the first.

  • Which of the following pairs have similar chemical properties?

  • According to Henry Moseley, ‘Z’ of an element is a more fundamental property than its atomic mass. ‘Z’ is ________.

  • According to the modern periodic law, ‘properties of elements are a periodic function of their ___________.

  • According to modern periodic table metals are _______.

  • Which of the following is correct for a group element?

  • Number of columns in the modern periodic table.

  • Which of the following is correct for a period of modern periodic table?

  • The maximum number of electrons that can be accommodated in a shell.

  • Number of elements present in the 5th5^{th} period of the modern periodic table.

  • Which of the following element has highest atomic radius?

  • Which of the following is metalloids?

  • Element ‘X’ forms a chloride with formula XCl. Which is a solid with a high melting point. ‘X’ would most likely be in the same group of the periodic table as