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Manganese
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Published on Nov 26, 2015
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PRESENTATION OUTLINE
1.
MANGANESE
BY: DOMINIC MIELKE
2.
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
3.
ATOMIC STRUCTURE
Protons- 25
Electrons- 25
Neutrons- 30
4.
PHYSICAL PROPERTIES
Metal
Electrical conductivity
Solid at room temperature
Silver/Gray
Very brittle
5.
CHEMICAL PROPERTIES
Reactive to water (rust)
No flammability
Transition metal
6.
MISCELLANEOUS INFORMATION
Obtained from pyrolusite, and other metals
Found nearly everywhere
Essential nutrient humans require on a daily basis
7.
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
8.
FOUNDER
Discovered by: johan gahn in 1774
9.
RESOURCES
www.livescience.com
www.mtixtl.com
en.wikipedia.org/wiki/manganese
chemistry.about.com
chemicalelements.com
Dominic Mielke
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