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15 May, 13:32

Question 7

Arsenic is a metalloid. Which statement best describes arsenic?

A

Arsenic is similar to a nonmetal because it is a gas at room temperature and similar to a metal because it is not malleable.

B

Arsenic is similar to a nonmetal because it is brittle and similar to a metal because it conducts heat and electricity well.

C

Arsenic is only similar to a metal because it is not ductile and is a gas at room temperature.

D

Arsenic is only similar to a nonmetal because it is a good conductor and is reflective.

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Answers (2)
  1. 15 May, 15:17
    0
    B.

    Explanation:

    It is brittle like a nonmetal but conducts electricity and heat like a metal.
  2. 15 May, 17:05
    0
    Answer: The correct answer is Option B.

    Explanation:

    Metalloids are defined as the elements which show properties of both metals and non-metals. There are 7 metalloids in the periodic table. They are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium and Polonium

    Properties shown by metalloids:

    They are semi conductors. They are amphoteric in nature. They show intermediate properties between metals and non-metals.

    Arsenic is a metalloid which belongs to Group 15 and Period 4 of the periodic table.

    This element is brittle in nature and thus is similar to non-metals. Also, it conducts electricity and heat and thus is similar to metals.

    Hence, the correct answer is Option B.
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