bismuth

Bismuth

Physical State at Room Temperature (2 pts) - solid at 20°C

Who Discovered the Element (5 pts) - Claude Geoffroy (France) in 1753.

Element Symbol (2 pts) - Bi

Atomic Number (2 pts) - 83

Meaning of the Element's Name or Latin/Greek Name (5 pts) - The origin of the name comes from the German words Weisse Masse meaning white mass; now spelled wismut and bisemutum.

Uses of the Element (5 pts) - Main use is in pharmaceuticals and low melting point alloys used as fuses.

Physical Properties of the Element (5 pts) - It is hard, brittle, steel-grey metal with a pink tint.

Chemical Properties of the Element (5 pts) - Stable in oxygen and water. Dissolves in concentrated nitric acid.

Isotopes of the Element, if any (5 pts) - Bi-202 1.7 hours Bi-204 11.2 hours Bi-205 15.3 days Bi-206 6.24 days Bi-207 32.0 years Bi-208 368000.0 years Bi-209 Stable Bi-210 5.0 days Bi-210m 3000000.0 years Bi-211 2.1 minutes Bi-212 1.0 hour Bi-213 45.6 minutes Bi-214 19.9 minutes Bi-215 7.0 minutes

Common Compounds of the Element, if any (5 pts) - bismuth subnitrate, subcarbonate, subgallage, and subsalicylate.

extra info. - 1. Bismuth can be found free in nature and in minerals like bismuthine (Bi2S3) and in bismuth ochre (Bi2O3). 2. The price of 99.99 % pure bismuth pieces is 110.20 € for 1000 g. 3. melting point: 271.4 °C 4. Boiling point: 1564 °C 5. heat of fusion: 10.48 kJ mol-1 6. heat of vaporization: 179.1 kJ mol-1 7. heat of atomization: 207.36 kJ mol-1

VIDEO - http://www.youtube.com/watch?v=jUHN9a1zNA4



links - http://www.webelements.com/bismuth/ http://www.ktf-split.hr/periodni/en/bi.html http://www.emea.europa.eu/pdfs/vet/mrls/020197en.pdf