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Metals, nonmetals and metalloids Transitional Reasoning Practice

Chemistry · The Periodic Table · Chemistry · Organization of the Periodic Table

1 Chemistry practice questions on Metals, nonmetals and metalloids. Questions that build towards applied reasoning.

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Questions

  1. 1.

    A student tests three solid elements, X, Y, and Z, to classify them as a metal, a nonmetal, or a metalloid. Element X has a shiny metallic luster and shatters when hammered, but its electrical conductivity increases significantly as temperature rises. Element Y is ductile, lustrous, and an excellent electrical conductor at room temperature, whereas element Z is dull, brittle, and an electrical insulator. Based on these experimental findings, which conclusion correctly classifies one of the elements?

    • A) Element X is classified as a typical metal because any substance exhibiting surface luster and electrical conductivity belongs to the metal category.
    • B) Element Y is classified as a metalloid because high electrical conductivity and ductility are shared equally across metals and metalloids.
    • C) Element Z is classified as an impure metal because all true nonmetals exist exclusively as gases at room temperature.
    • D) Element X is classified as a metalloid because it combines physical luster with brittleness and displays semiconducting electrical behavior.

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