Co cobalt
- 2. Cobalt • The name of my element is cobalt. In my element box i put a ceramic plate because cobalt is used in making ceramics and glassware. I also put some blue paint because cobalt helps to make the blue coloring in paint. Cobalt was discovered in 1737. It was discovered by george brant . Cobalt helps to make the blue coloring in paint but it's natural color is a silvery gray. Cobalt Is naturally a solid but it's melting point is at1768 kelvin.
- 3. History of Cobalt • Cobalt was discover sins 1763. It was discovered by George brant . Cobalt was discovered in Stockholm Sweden. It was discovered to find out what colored glass blue. Cobalt was named after the German word kobald which means evil spirit or goblin.
- 4. Uses of Cobalt • Cobalt is used to make the color blue in blue paint the pigments in cobalt help to color it. Cobalt is also used to make ceramics and glassware.
- 5. Other information • Cobalt is the main component of the vitamin B12. • Cobalt is ferromagnetic. • Cobalt is often used to make very strong magnets. • Cobalt chloride is blue when it is dry. It is pink when it is wet.
- 6. Information • Cobalt ! • Symbol: Co! • Atomic number: 27! • Atomic mass: 5 8 .9 3 3 2 amu! • Melting point: 1 7 6 8 K! • Boiling point: 3 1 4 3 K! • Numbers of protons and electrons: 27! • Number of neutrons: 32! • Classification: transition metal ! • Crystal structure: hexagonal ! • Density: @2 9 3 K : 8 .9 g/ cubed cm Cobalt ! • Discovered in 1737! • Discoverer: George Brant! • Name origin: German - kobald meaning evil spirit or goblin! • Used to make glassware and ceramics! • Natural state of matter: Solid