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What is the need for the classification of elements ?

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Explore conceptually related problems

What was the basis of classification of elements by Lother Meyer?

The Newlands' law of octaves for the classification of elements was found to be applicable only up to the element:

The basis for the classification of elements in the modern periodic table is

Which of the following statement is correct in regard to the classification of elements?

Why was the system of classification of elements into triads not found suitable ?

Correct statement for periodic classification of elements is:

The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:

Knowledge Check

  • The Newlands' law of octaves for the classification of elements was found to be applicable only up to the element:

    A
    potassium
    B
    calcium
    C
    cobalt
    D
    phosphorus

  • Which of the following statement is correct in regard to the classification of elements?

    A
    Elements in modern periodic table are arranged on the basis of increasing atomic masses
    B
    Element in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers
    C
    In modern periodic table the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass
    D
    In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group

  • Correct statement for periodic classification of elements is:

    A
    All lanthanides and actinides belong to group IIIB
    B
    All inert gases end at p6 configuration
    C
    Iron, Cobalt and Nickel have same density so they are classed in VIIIB group together
    D
    There are 12 naturally occurring radioactive elements in the periodic table