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Did Döbereiner’s triads also exist in th...

Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.

Text Solution

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Yes, some of the Doberiener's triads did exist in the columns of Newlands' octaves. For example,
`underset(("triad"))ubrace(Li , Na , K)" "underset(("triad"))ubrace(Be , Mg , Ca)`
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Did Doberiener's triads also exist in the columns of Newlands' octaves? Compare and find out.

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Knowledge Check

  • Which of the following set of elements obeyes Newland’s octave rule -

    A
    Na, K, Rb
    B
    F, Cl, Br
    C
    Be, Mg, Ca
    D
    B, Al, Ga

  • Match the columns and find out the correct answer

    A
    (A)–(iii), (B)–(iv), (C)–(i), (D)–(ii)
    B
    (A)–(iii), (B)–(ii), (C)–(iv), (D)–(i)
    C
    (A)–(iii), (B)–(iv), (C)–(ii), (D)–(i)
    D
    (A)–(ii), (B)–(iii), (C)–(iv), (D)–(i)

  • Which of the following states that properties of elements are a periodic function of their atomic number''? A) Dobereiner's triads B) Modern periodic law C) Newlands's law of octaves D) Mendeleev's periodic law

    A
    Dobereiner's triads
    B
    Modern periodic law
    C
    Newlands's law of octaves
    D
    Mendeleev's periodic law

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