English National Curriculum - Science
Mission Objectives
Describe the test used to identify carbonates
Describe the test used to identify halides
Describe the test used to identify sulphates
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Words and meanings to learn
halides
negative ions formed from Group 7 elements (the halogens), such as chloride (Cl⁻), bromide (Br⁻) and iodide (I⁻)
carbonates
negative ions with the formula CO₃²⁻; they react with acids to produce carbon dioxide gas
sulphates
negative ions with the formula SO₄²⁻
precipitate
a solid that forms when two solutions react together; it appears as a cloudy or powdery solid in the liquid
anion
a negatively charged ion (an atom or group of atoms that has gained electrons)
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!
Copper carbonate, potassium chloride, magnesium sulphate, sodium chloride, potassium iodide, barium chloride, calcium chloride, copper sulphate.
Carbonates:
Sulphates:
Halides:
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