by: shakia logan dec. 16 2009 1 st hour. who discovered manganese? manganese was discovered by...

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Manganese (Mn) By: Shakia Logan Dec. 16 2009 1 st hour

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Page 1: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

Manganese (Mn)By: Shakia Logan

Dec. 16 20091st hour

Page 2: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

Who Discovered Manganese?Manganese was discovered by Johann

Gottlied Gahn Manganese was discovered in Stockholm Sweden in the year of 1774.

Page 3: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What is Manganese?Manganese is the 12th most common element in the world and the 5th most

prevalent metal. It is a naturally occurring substance found at low level in water, air, soil, and food, and has no taste or smell.

Page 4: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Does Manganese Look like?Manganese looks like a hard, brittle, grayish-

white metal

Page 5: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

Where Does The Word Manganese Come From?

The name Manganese is derived from the Latin word magnes, meaning “magnet”.

Page 6: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

Where Can You Find Manganese?Manganese can be found in Manganese nodules on the ocean floor, but these are

currently unviable. Commercially Manganese is produced by reduction of its ores using

aluminum.

Page 7: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Are The Common Everyday Uses Of Manganese?

Manganese is not one of your everyday elements in fact its most common uses were

in some of the first types of batteries and even earlier as the metal of Spartans Armor

and has been used in the Stone Ages.

Page 8: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

Was Manganese Naturally-Made Or Man-Made?

Manganese was naturally-made, the occurrence of Manganese came from in

the atmosphere obtained from Pyrolusite, Psilomelane, Rhodochrosite.

Page 9: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Types Of Compounds Do Manganese Have?

The types of compounds that Manganese form are:

Manganese Dioxide ( MnO2)Manganese Tetraoxide (Mn3O4)Manganese Salts ( chloride, sulfate,

carbonate, and nitrate) Manganese Silicate Potassium Permanganate (KMnO4)

Page 10: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Are The Characteristics And Properties of Manganese?

The Characteristics and Properties of Manganese are:

Density- 7.21 Melting Metal

Melting Point- 1517 (k), 1246° C, 2275 ° FBoiling Point- 2334(k), 2061 ° C, 3742 ° FAtomic Radius- 135Atomic Volume- 7.39Element Classification- Transition Metal

Boiling Metal

Page 11: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Are Some Uses of Manganese?Manganese is used for 4 main things such

as:BatteriesCeramicsSteelGlass Making

Page 12: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

What Are Some Amazing Facts About Manganese?

Manganese is added to improve the strength, toughness, stiffness, hardness, wear

resistance, and harden ability of steels. Manganese my also be helpful for those with

osteoporosis and osteoarthritis as well as individuals with premenstrual syndrome also

known as PMS.

Osteoporosis Osteoarthritis PMS

Page 13: By: Shakia Logan Dec. 16 2009 1 st hour. Who Discovered Manganese? Manganese was discovered by Johann Gottlied Gahn Manganese was discovered in Stockholm

THE END