Old KS4 Science Curriculum - Science

5. Explore identifying positive ions

Mission Objectives

Describe how to use sodium hydroxide solution to identify certain metal ions

Write balanced chemical equations for these tests

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Keywords

Words and meanings to learn

identify

To indicate what or who someone or an object is.

ions

Any molecules or atoms which contain one or more negative or positive electrical charges.

precipitate

To convert a chemical substance into a solid using a solution by turning the substance into a super-saturated mixture or an insoluble structure.

neutron

A particle without an electric charge which is in the atomic nuclei that is the same weight as a proton.

electron

Subatomic particle which is negatively charged and is either bound to an atoms nucleus or is free.

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