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Which block of elements consists of meta...

Which block of elements consists of metals, non metals and metalloids ?

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The correct Answer is:
`p`-block
`p`-block elements
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Following rule, in general, classifies p- block elements into metals, non metals and metalloids, where P is the period number and N, the valence electrons. (P+1) gt N, the element would be a metal. (P+1) lt N, the element would be a non-metal. (P+1) = N, the element would be a metalloid Classify the following into metals, nonmetals and metalloids: Z= 14, 31, 35,54

(a) what are (i) metals (ii) non-metals ,and (iii) metallloids ? Give two examples each of metals ,non-metals and metalloids. (b) Classify the following into metals , non - metals and metalloids : Silicon ,Mercury ,Diamond , sulphur ,iodine ,Germainum , sodium ,carbon , Magnesium , copper , Boron ,Helium

Knowledge Check

  • Nitric acid is a strong oxidizing agent and attacks most metals, non-metals and metalloids. Which of the following process is/are incorrect ?

    A
    `Mn overset(2%HNO_(3))rarrH_(2)uarr`
    B
    `Zn overset(70%HNO_(3)) rarrNO_(2)`
    C
    `Sn overset(20% HNO_(3))rarrNOuarr`
    D
    `Cu overset(6% HNO_(3))rarr NH_(4)NO_(3)`

  • Nitric acid is a strong oxidizing agent and attacks most metals, non-metals and metalloids. Which of the following metal is / are inert towards reaction with dil HNO_(3) ?

    A
    Au
    B
    Ag
    C
    Pt
    D
    Fe

  • Which one of the following elements is a non-metal ?

    A
    Boron
    B
    Indium
    C
    Sodium
    D
    Magnesium

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    In which part of the periodic table are the metals, nonmetals and metalloids located ?

    Mendeleev's predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium. Classify these elements as metals, non-metals or metalloids.

    The elements having propeties lying between the properties of metals and nonmetals are called metalloids.

    Classify the following elements as metal, nonmetal or metalloid: aluminium, fluorine, gallium, phosphorus, tellurium, thorium, barium, strontium, calcium, krypton.

    Which of the following elements is a metalloid?

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