MANGANESE

PERIODIC TABLE INFORMATION

• Symbol- Mn
• Atomic number- 25
• Atomic weight- 54.94
• Melting point: 2,275.8 Degrees fahrenheit
• Boiling point: 3,741.8 Degrees fahrenheit

ATOMIC STRUCTURE

• Protons- 25
• Electrons- 25
• Neutrons- 30

PHYSICAL PROPERTIES

• Metal
• Electrical conductivity
• Solid at room temperature
• Silver/Gray
• Very brittle

CHEMICAL PROPERTIES

• Reactive to water (rust)
• No flammability
• Transition metal

MISCELLANEOUS INFORMATION

• Obtained from pyrolusite, and other metals
• Found nearly everywhere
• Essential nutrient humans require on a daily basis

EXTRA INFORMATION

• Abundant in foods such as nuts
• Too much manganese can cause brain damage
• Most Manganese today is found in mineral ores
• Found in the bones, liver, kidneys and pancreas.
• 12th most abundant element in the Earth's crust

FOUNDER

• Discovered by: johan gahn in 1774

RESOURCES

• www.livescience.com
• www.mtixtl.com
• en.wikipedia.org/wiki/manganese
• chemistry.about.com
• chemicalelements.com