The valence electrons in molybdenum are six. Molybdenum has an atomic number of 42 and an electron configuration of 1s22s22p63s23p63d104s24p64d55s1, which means it has 2, 8, 18, 13, 1 electrons per shell. The valence electrons in the 4d55s1 are made up of electrons.
Molybdenum is represented by the symbol Mo. It is classed as a transition metal and belongs to Period 5 of the periodic table’s group 6 or d-block. It has a density of 10.2 grammes per centimetre cubed and an atomic mass of 95.96 grammes per mole. At room temperature, it is a solid and melts at 4,753 degrees Fahrenheit. Carl Scheele discovered molybdenum in 1778, and Peter Hjelm isolated it in 1781.
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