Self Studies

The s-Block Ele...

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  • Question 1
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    Which is not a similar characteristics about  the electronic of Be, Mg, Ca?

  • Question 2
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    When the $$Na$$ and $$Li$$ placed in dry air we get:

  • Question 3
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    Which element is likely to have an electronegativity similar to that of aluminum? 

  • Question 4
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    Which are correct match?

    $$1$$.Eka silicon - Ba
    $$2$$Eka aluminium - Ga
    $$3$$Eka manganese - Tc
    $$4$$Eka scandium - B

  • Question 5
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    Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in:

  • Question 6
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    When sodium is heated with moist air, the product obtained is:

  • Question 7
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    Inter nuclear distance between two sodium atoms is 372pm. Covalent radius of sodium atom will be:

  • Question 8
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    Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect is:

  • Question 9
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    Select the correct order of ionic radii.

  • Question 10
    1 / -0

    Choose the incorrect statement:

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