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Elements have been arranged in the follo...

Elements have been arranged in the following sequence on the basis of their increasing atomic masses: F, Na, Mg, Al, Si, P, S, CI, Ar, K.
a] Pick two sets of elements which have similar properties.
b) The given sequence represents which law of classification of elements?

Text Solution

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a] Two sets of elements that show similar properties are: F and Cl, Na and K.
b] The given sequence represents elements Newlands. law of octaves. As per this law, elements are arranged in increasing order of their atomic masses and every 8th element shows similar properties to that of the 1st element.
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Elements have been arranged in the following sequence on the basis of their increasing atomic masses. F, Na, Mg, Al, Si, P, S, CI, Ar, K . Pick two sets of elements which have similar properties.

Elements have been arranged in the following sequence on the basis of their increasing atomic masses. F, Na, Mg, Al, Si, P, S, CI, Ar, K . The given sequence represents which law of classification of elements ?

Knowledge Check

  • Arrange the following elements in the order of their decreasing metallic character: Na, Si, CI, Mg, Al.

    A
    CI gt Si gt AI gt Mg gt Na
    B
    Na gt Mg gt Al gt Si gt CI
    C
    Na gt Al gt Mg gt CI gt Si
    D
    AI gt Na gt Si gt Ca gt Mg

  • Out of the elements Na, Mg, Si and P, which would have the greatest difference between the first and second ionization enthalpies?

    A
    Na
    B
    Mg
    C
    Si
    D
    P

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