The Periodic Table Chemical Reactions Rate of Chemical Reactions Energy and Chemical Reactions Electrolysis Electrochemical Cells Chemical Equilibrium Stoichiometry Water Oxygen Chlorine and the halogens Sulphur and its compounds Air Hydrogen and Hydrides Nitrogen Phosphorus and its Compounds
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مراجعات الخامس العلمي
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تبصرے
10 تبصرے
Learn of the general uses of phosphorus as an element.
Learn of some phosphorus compounds and their uses.
A general look at the chemical behaviour and properties of phosphorus.
Learn the general behaviours of phosphorus as an element while also looking at the allotropes of phosphorus.
Understand the biogeochemical cycle of nitrogen from the atmosphere to the soil, and back to the atmosphere.
Learn how Devarda's and copper turning tests can be used to identify trioxonitrate(V) salts.
This lesson describes the brown ring test for trioxonitrate(V) salts.
This lesson describes the chemical reactions of trioxonitrate(V) salts.
This lesson explains the preparation of trioxonitrate(V) salts.
A look at the ammonium ion and some of its compounds.