Metals, Nonmetals, and Metalloids

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What are metals?

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Metals are shiny, good conductors of heat and electricity, and are malleable and ductile.

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What are nonmetals?

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Nonmetals are elements that are usually dull, poor conductors of heat and electricity, and can be gases or brittle solids.

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What are metalloids?

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Metalloids are elements that have properties of both metals and nonmetals, often used as semiconductors.

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What is luster?

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Luster is how a mineral reflects light, indicating its shininess.

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What is conductivity?

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Conductivity is the ability of a material to transfer heat and/or electricity.

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What is malleability?

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Malleability is the ability of a material to be hammered or pressed into a shape without breaking.

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What is the Periodic Table of Elements?

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The Periodic Table of Elements is a tabular arrangement of all known chemical elements, organized by their atomic number.

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What is an example of a metal?

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An example of a metal is iron (Fe), which is shiny and a good conductor.

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What is an example of a nonmetal?

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An example of a nonmetal is sulfur (S), which is dull and a poor conductor.

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What is an example of a metalloid?

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An example of a metalloid is silicon (Si), which is used in electronics.