Wikijunior:The Elements/Manganese

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Shows the position of Manganese on the periodic chart.
Manganese' symbol on the Periodic Table
A sample of manganese.

What does it look, feel, taste, or smell like?[edit]

Manganese is a light gray metal resembling iron. It is a hard metal and is very brittle.

How was it discovered?[edit]

It was discovered in 1774 by Johan Gahn.

Where did its name come from?[edit]

Did You Know?

  • Steel made with 12% manganese was used for the Brodie Helmet worn by British soldiers in Word War I.
  • Another interesting fact.
  • Yet another interesting fact.

In ancient times, a black mineral was found in in what is now modern Greece, in an area called Magnesia. The ore was used to make glass clearer. In the 16th century, a doctor, Michele Mercati, called the ore Manganesa and later the metal isolated from it became known as manganese.

Where is it found?[edit]

What are its uses?[edit]

It is in steel, batteries, and ceramics. It was found in cave paintings in France. Its atomic number is 25. Maganese-53 is radioactive, with a half-life of 3.74 years (the time it takes for half of the radioactive material to be gone). It has 25 protons and 30 neutrons.

Is it dangerous?[edit]