1. Cobalt
Corrinn Hayes

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