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ID number:529163
 
Author:
Evaluation:
Published: 10.11.2011.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Aristotelis arsēnu dēvē par sandarahu, viņa māceklis Teorasts to pārdēvē par areniku
Pirmais to dokumentē un arsēna metālisko dabu dokumentē Alberts Lielais (Albertus Magnus)

Dzeltenais arsēns
Nav metāliska spīduma, slikti vada elektrību
Metastabils
Tiek pagatavots, pelēkā arsēna tvaikus dzesējot ūdenī.

Gallija arsenīds
Tiek izmantots mikroshēmu izveidē, gaismas diodēs, lāzerdiodēs, saules baterijās u.c.
Augsta siltumizturība
Augsta elektrovadītspēja
Dārga ieguve.…

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