Chalcogenia (elementa)
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
Chalcogenia sunt elementa chemica cum sex electronibus in sphaera electronica externa; igitur sunt eorum reactiones chemicae similis.
Inter chalcogenia numerantur
Quia configuratio electronium sphaerae externae aequa est, formulae molecularum similes sunt. Exempla:
Substantia illa appellatur oxida, sulphida vel sulphurata, selenida, tellurida.
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