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8 April, 04:44

Elias observed a sample in the classroom. The sample was a liquid at room temperature. He performed a conductivity test and found that it did not conduct electricity. Which classification would best fit the sample?

A) ionic

B) metal

C) nonmetal

D) salt

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Answers (1)
  1. 8 April, 08:37
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    C) nonmetal

    Explanation:

    Given;

    The sample is in liquid state and do not conduct electricity.

    We have given four types of classification. So for first,

    A) Ionic

    Ionic compounds are found in solid state at room temperature and it conducts electricity when dissolved in water. Hence the sample could not be ionic.

    B) Metal

    Metals are found in solid state at room temperature except mercury and it conducts electricity very well. Mercury also conducts electricity. So the sample is not a metal.

    C) Nonmetal

    Non metals are found in solid state except bromine which is in liquid state at room temperature and it does not conducts electricity.

    Here the property of nonmetal matches with the sample, so the sample is a nonmetal and it could be Bromine.

    D) Salt

    Salt is an ionic compound found in solid state at room temperature and it conducts electricity when dissolved in water. Hence the sample could not be salt.
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