Choose the general method more adapted for the obtaining of the elements of the main groups from his present compounds in the nature.
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C1 C2 C9
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D1 D3 D4 D9
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Deduce the physical properties of a compound from the type of link between his components and his structure.
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C9 C12 C14 C20 C23
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D1 D3 D4 D9
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Carry out in the laboratory the preparation and the study of some physical and chemical properties of elements of the main groups and of his compounds.
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C25 C26 C27 C28
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D4 D5 D6 D7 D8 D9 D12 D13 D14 D15
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