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(a) On what basis did Mendeleev arrange ...

(a) On what basis did Mendeleev arrange the elements in his periodic table?
(b) On what basis are they arranged now?

Text Solution

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The correct Answer is:
(a) Atomic masses (b) Atomic numbers
NA
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Knowledge Check

  • Mendeleev arranged the elements in the increasing order of

    A
    atomic number
    B
    atomic radius
    C
    atomic mass
    D
    valency

  • The basis of keeping the elements in the group of periodic table is

    A
    Ionisation potential
    B
    Electronegativity
    C
    Electron affinity
    D
    Number of electrons in the valence shell

  • The basis of keeping the elements in the group of a modern periodic table is

    A
    Ionisation potential
    B
    Electronegativity
    C
    Electron affinity
    D
    Number of electrons in the valence shell

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