← Unit 1: Mixtures, Elements and Compounds
Integrated Science · Grade 9
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Elements, Compounds, Mixtures and Alloys — Key Terms
Match each term to its definition.
Element
— match —
A pure substance made of only one kind of atom; it cannot be broken down chemically.
A pure substance formed when two or more elements combine chemically in a fixed ratio.
Two or more substances physically combined that can be separated again.
A mixture of a metal with other elements made to improve properties such as strength.
An organised chart of all the known elements.
Compound
— match —
A pure substance made of only one kind of atom; it cannot be broken down chemically.
A pure substance formed when two or more elements combine chemically in a fixed ratio.
Two or more substances physically combined that can be separated again.
A mixture of a metal with other elements made to improve properties such as strength.
An organised chart of all the known elements.
Mixture
— match —
A pure substance made of only one kind of atom; it cannot be broken down chemically.
A pure substance formed when two or more elements combine chemically in a fixed ratio.
Two or more substances physically combined that can be separated again.
A mixture of a metal with other elements made to improve properties such as strength.
An organised chart of all the known elements.
Alloy
— match —
A pure substance made of only one kind of atom; it cannot be broken down chemically.
A pure substance formed when two or more elements combine chemically in a fixed ratio.
Two or more substances physically combined that can be separated again.
A mixture of a metal with other elements made to improve properties such as strength.
An organised chart of all the known elements.
Periodic table
— match —
A pure substance made of only one kind of atom; it cannot be broken down chemically.
A pure substance formed when two or more elements combine chemically in a fixed ratio.
Two or more substances physically combined that can be separated again.
A mixture of a metal with other elements made to improve properties such as strength.
An organised chart of all the known elements.
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