Metals, Non-Metals & Metalloids

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What are metals?

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Metals are elements that are typically shiny, good conductors of heat and electricity, malleable, and ductile. Examples include iron, copper, and gold.

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What are nonmetals?

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Nonmetals are elements that lack the properties of metals. They are usually poor conductors of heat and electricity, and can be gases, liquids, or brittle solids. Examples include oxygen, sulfur, and chlorine.

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What are metalloids?

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Metalloids are elements that have properties of both metals and nonmetals. They are semiconductors, meaning they can conduct electricity better than nonmetals but not as well as metals. Examples include silicon and germanium.

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What is conductivity?

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Conductivity is the ability of a material to conduct heat or electricity. Metals generally have high conductivity, while nonmetals have low conductivity.

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What does luster mean?

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Luster refers to the way a surface appears when it reflects light. Metals typically have a shiny luster, while nonmetals do not.

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What is malleability?

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Malleability is the ability of a material to be shaped or deformed without breaking, often by hammering or rolling. Metals are usually malleable.

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What is ductility?

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Ductility is the ability of a material to be drawn into thin wires. Metals are generally ductile.

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What is the periodic table?

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The periodic table is a chart that organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.

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What are the properties of metals?

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Metals are typically shiny, good conductors of heat and electricity, malleable, ductile, and have high density.

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What are the properties of nonmetals?

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Nonmetals are usually dull, poor conductors of heat and electricity, brittle in solid form, and can exist in various states (solid, liquid, gas).