How Many Valence Electrons Does Manganese Have?
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The element manganese has seven valence electrons. The electronic configuration of manganese is [Ar] 3d5 4s2. The atomic number of manganese is 25 and it has 25 electrons out of which seven electrons are in the last shell or orbit.
The symbol of manganese is Mn and its atomic weight is 54.938044 atomic mass units or grams per mole. Manganese is a transition metal found in Period 4 and Group 7 or VII B of the Periodic Table of Elements. Manganese has a density of 7.3 grams per cubic centimeter. It has a melting point of 1,246 degrees Celsius. Manganese is a silvery white metal at room temperature.
