Molybdenum

Molybdenum is a chemical element, having the chemical symbol Mo.

Molybdenum 95.94(2)   Mo 42 [Kr] 4d5 5s1 [ ? ] Transition metal:

Its atomic number (the number of protons) is 42. It has a Standard Atomic Weight of 95.94(2), and is typically found as a solid in its elemental form.

Molybdenum is considered to be a member of the "Transition metal" class of elements, has a boiling point of 4,639 °C , and a melting point of 2,623 °C .