CobaltGrace Yuan + Teresa Chan

The ElementPronounced as: KO-bolt

Origin: From the Latin word kobalt, meaning evil spirit, as the metal was so poisonous to miners.

Chemical symbol: Co

Element type: Transition metal

Period number: 4

Group number: 9

DiscoveryWho?1. Dimitri Mendeleev + George Brandt

When?1. 1737

How?1. They attempted to prove that the

element bismuth was not the one with the ability to color glass blue

Atomic number: 27

Atomic mass: 58.933195

Isotopes: 56Co, 56Co, 58Co, 59Co, 60Co

Most stable isotope: 60Co

Neighboring elements: Iron, Nickel, Rhodium

Family members: Rhodium, Iridium, and Meltnerium

Element StructureNumber of electrons: 2, 8, 15, 2 (27)

Number of neutrons: 32

How is Cobalt used?

Cobalt is used as/in/for…1. Coloring certain minerals to shades of

blue (e.g. glass, porcelain, etc.)

2. Making alloy (a special type of magnet)

3. Cobalt alloys are used for jet engines and gas turbines

4. Steel-belted radial tires

5. Radiotherapy

CHEMICAL PROPERTIES.

Melting Point: 1495˚C / 2723˚F

Boiling Point: 2927 ˚C / 5301 ˚F

FUN FACTSSECOND LAST SLIDE.

ENDPUT AMAZING PICTURE HERE OR SOMETHING.