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The p-Block Ele...

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  • Question 1
    1 / -0

    At standard conditions_______ has an allotropic form that is a good electrical conductor.

  • Question 2
    1 / -0

    Chemical formula of cassiterite is _____.

  • Question 3
    1 / -0

    Galena is a important mineral of _____.

  • Question 4
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    Quartz, $$\displaystyle Si{ O }_{ 2 }$$, has a high melting point and is insoluble in most solvents. Which type of force best accounts for the physical properties of quartz?

  • Question 5
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    The oxidation state(s) shared by each of the elements in group IV $$(C, Si, Ge, Sn$$ and $$Pb)$$ is/are

  • Question 6
    1 / -0

    Element X has a ground-state valence electron configuration of $$ns^{2}np^{5}$$.
    Select the formula of the carbon compound most likely to be formed.

  • Question 7
    1 / -0

     Argyrodite, briartite contain appreciable amounts of  _____?

  • Question 8
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    Which of these non-metals would be most reactive?

  • Question 9
    1 / -0

    The highest concentration of _______ was found in Hartley coal ash.

  • Question 10
    1 / -0

    Borax is an important mineral of :

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