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Periodic Classification of Elements Quiz 2

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Difficulty Level :
15 Question

Popular Questions In Periodic Classification of Elements Quiz 2

  • Number of elements discovered to till date.

  • …………. defined an element as any substance that cannot be decomposed into further simple substance by physical or chemical change.

  • Lithium, …………………… and Potassium constitute a Dobereiner's triad

  • Louis Proust stated that……………….. atom is the building material.

  • Group of three elements with similar chemical properties is called …………….

  • Dobereiner triad is based on

  • According to this every 8th element has similar properties starting from a, given element

  • Newlands’ periodic table was restricted to …………….. elements.

  • The number of periods and groups in Mendeleeff’s periodic table is

  • Mendeleeff’s periodic table is based on

  • Atomic weight = ……………….. x equivalent weight

  • Element with atomic number 101 is

  • Example for anomalous pair

  • The number of positive charges (protons) in the atom of an element is called………

  • The atomic weight of a bivalent element is 9. The equivalent weight of same element is