English National Curriculum - Science Science
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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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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