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Basic Information | Atomic Structure | Isotopes | Related Links | Citing This
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BASIC INFORMATION


Name: Manganese
Symbol: Mn
Atomic Number: 25
Atomic Mass: 54.93805 amu
Melting Point: 1245.0 °C (1518.15 K, 2273.0 °F)
Boiling Point: 1962.0 °C (2235.15 K, 3563.6 °F)
Number of Protons/Electrons: 25
Number of Neutrons: 30
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 7.43 g/cm3
Color: silverish/grayish





ATOMIC STRUCTURE

 
Number of Energy Levels: 4


First Energy Level:
2


Second Energy Level:
8


Third Energy Level:
13


Fourth Energy Level:
2



ISOTOPES

Isotope Half Life Mn-525.59 days Mn-52m21.1 minutes Mn-533700000.0 years
Mn-54312.2 days Mn-55Stable Mn-562.57 hours Mn-571.45 minutes



FACTS


Date of Discovery: 1774
Discoverer: Johann Gahn
Name Origin: From the Latin word mangnes (magnet)
Uses: steel, batteries, ceramics
Obtained From: pyrolusite, psilomelane, rhodochrosite



RELATED LINKS

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MLA FORMAT FOR CITING THIS PAGE


Bentor, Yinon. Chemical Element.com - Manganese. Jun. 22, 2024
<http://www.chemicalelements.com/elements/mn.html>.

For more information about citing online sources, please visit the MLA's
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