Cobalt

by Paula Johanson

Cobalt (Co) was discovered by Swedish chemist Georg Brandt in 1735. Readers learn that cobalt is a transition metal, and that it is ferromagnetic. Only cobalt, nickel, and iron (and some of their alloys) can permanently align their atoms and become a permanent magnet. Cobalt can be found in rocky ores in Africa and Canada. It is very active chemically and forms many compounds, including cobaltous and cobaltic salts. Cobalt is used as a coloring agent,...

• Format: Library Binding
• Language: English
• ISBN: 1404214100
• ISBN13: 9781404214101
• Release Date: January 2008
• Publisher: Rosen Central
• Length: 48 Pages
• Weight: 0.77 lbs.
• Dimensions: 0.4" x 7.9" x 10.3"
• Age Range: 10 to 13 years
• Grade Range: Grades 5 to 8