Elements, Compounds & Mixtures Test Review

Front

A pure substance...

Back

is an element or a compound.

Front

A substance made up of two or more chemically combined elements is

Back

compound

Front

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

Back

element

Front

Two or more physically combined substances form —

Back

a mixture

Front

NaHCO₃ is an example of —

Back

a compound

Front

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

Back

an element

Front

Which of these substances is an example of a solution? a salad, iced tea, mercury, concrete

Back

iced tea

Front

Which of the following is a way in which elements and compounds are similar? Options: Elements and compounds are pure substances., Elements and compounds are both made up of different kinds of atoms., Elements and compounds can both be broken down by physical means., Elements and compounds are listed on the periodic table.

Back

Elements and compounds are pure substances.

Front

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

Back

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