Elements, Compounds & Mixtures

Front

A pure substance...

Back

is an element or a compound.

Front

A substance made up of two or more chemically combinedelements is —

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compound

Front

A substance that cannot be broken down into any other substance by ordinary chemical means is called —

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element

Front

Two or more physically combined substances form —

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a mixture

Front

NaHCO₃ is an example of —

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a compound

Front

What is an example of a mixture? Options: Table salt, Salt water, Oxygen, Air

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Air

Front

A substance made of only one type of atom is called —

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an element

Front

What is an example of an element? Options: Oxygen, Pure water, Air, Table salt

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Oxygen

Front

Two or more substances in the same place but NOT chemically combined or in a specific ratio is called —

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a mixture

Front

Which statement best describes an element? Options: made from mixture, thousands in the world, pure, made of only one atom, can be separated

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pure, made of only one atom