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What are alkali metals?...

What are alkali metals?

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1 st group elements of periodic table i.e., lithium, sodium, potassium, rubidium and caesium are called alkali metals.
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Knowledge Check

  • The alkali metals

    A
    show increasing metallic alkali nature from Li to Cs
    B
    from salts which are predominantly covalent
    C
    shoe decreased chemical reactivity with dry oxygen in going from Li to Cs
    D
    shoe increasing electronegativity from Li to Cs.

  • Which of the following sets of atomic numbers belong to that alkali metals?

    A
    37, 19, 3, 55
    B
    12, 20, 56, 88
    C
    1, 12, 30, 4, 62
    D
    9, 17, 53, 35.

  • Which electronic configuration is/are not an alkali metal?

    A
    `1s^2 2s^1`
    B
    `1s^2 2s^2 2p^6 3s^1`
    C
    `1s^2 2s^2 2p^6 3s^2 3p^6 3d^(10) 4s^1`
    D
    All of these

    • Similar Questions

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    Write the alkali metals in the increasing order of hydrogen energy.

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    The alkali metals have

    Prefix 'alkali' for alkali metals signifies :

    The characteristic not related to alkali metal is

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