What does it look, feel, taste, or smell like?
Manganese is a light gray metal resembling iron. It is a hard metal and is very brittle.
How was it discovered?
It was discovered in 1774 by Johan Gahn.
Where did its name come from?
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?
What are its uses?
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?
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