Manganese Element Cube Personal Museum Iodine is also an essential

Iodine is also an essential element for animals to produce thyroid hormones

it has been used for currency

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Sharks have inhabited the oceans for approximately 450 million years

Manganese Element Cube Personal Museum Iodine is also an essentialManganese's atomic number is 25 and its symbol is Mn. Manganese is a transitional metal that is often combined with other metals to create stainless steel. It is hard but brittle. Manganese compounds can readily be found in the topmost layers of the earths crust. Manganese is capable of forming oxides with vibrant magenta hues as well as a variety of greys. This capability was utilized by many ancient civilizations in glassware and paintings.