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Arsenic and Arsenic Alloys
- S. C. Carapella
- Chemistry
- 16 August 2002
Arsenic, although often referred to as a metal, is classified chemically as a nonmetal or metalloid and belongs to Group 15 (VA) of the Periodic Table (as does antimony). The principal valences of… Expand
Tellurium and Tellurium Compounds
- J. E. Hoffmann, M. G. King, S. C. Carapella, J. Oldfield, R. D. Putnam
- Materials Science
- 17 August 2001
Tellurium is the most metallic of the abundant chalogens. In many of its chemical properties, it still resembles oxygen, sulfur, and selenium. More than 90% of tellurium is produced from anode slimes… Expand