Metals and their Compounds
CHEMISTRY SSS3 First term
WEEK 1
Metals and their Compounds
Performance objectives
Students should be able to:
- State the general characteristics of metals.
- State the compounds of metals.
- Explain the principle of extraction of metals.
- Explain the extraction of sodium.
- Give at least three uses of sodium.
Content
Metals and their compounds
General characteristics of metals
Metals are a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light.
Approximately three-quarters of all known chemical elements are metals. The most abundant varieties in the Earth’s crust are aluminum, iron, calcium, sodium, potassium, and magnesium. The.... View More
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