COBALT (CO)

COBALT INFORMATION

• Cobalt atomic number is 27
• weights 58.933175 units
• melting point is 2,773 F
• Boiling point is 5,301 F
• Density 1.8 units

DISCOVERED

• Cobalt was discovered in 1739 in Sweden
• It was discovered by georg brandt
• Mined in Cuba and Australia
• Produaction in zambia and Australia

COBALT ATOMS

• Cobalt has 27 protons
• 32 neutrons
• 27 electrons
• The electron shells are 2,8,15,2

ABOUT COBALT

• the normal phase is solid
• Cobalt is used in stainless steel and magnet
• Cobalt doesnt have a flammable reaction
• Cobalt is a transition metal
• Cobalt is slightly toxic if it touches your skin or ingested

ABOUT COBALT

• Cobalt is on period number 4
• Group number 9
• Cobalt is used in batteries
• Cobalts symbol is Co
• It is a by-product of nickel

INTERESTING FACTS

• Cobalt mean evil spirit or goblin in german
• It can be obtained from oxygen and sulfur
• It can be used in radio-theraphy
• Powdered cobalt in metal is a fire hazard
• In some countries cobalt is used to preserve food

LIST OF REFERENCES

• www.education.jlab.org/itselemental/ele027.html
• www.rsc.org/periodic-table/element/27/cobalt
• www.hobart.k12.in.us/ksms/PeriodicTable/cobalt.htm
• www.chemicool.com/elements/cobalt.html
• www.lenntech.com/periodic/elements/co.htm