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Chalcogenia (elementa)

E Vicipaedia
Quattor chalcogenia.

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:

H2O; H2S; H2Se, H2Te;
Na2O; Na2S; Na2Se, Na2Te;
MgO; MgS; MgSe; MgTe;

Substantia illa appellatur oxida, sulphida vel sulphurata, selenida, tellurida.

Bibliographia

[recensere | fontem recensere]
  • Jensen, William B. (September 1, 1997). "A Note on the Term "Chalcogen"". Journal of Chemical Education. 74 (9): 1063 Situs venalis
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