Question: how many electrons will be present in the nucleus of a molybdenum atom?
Answer: The nucleus consists of 42 protons (red) and 54 neutrons (orange). 42 electrons (white) successively occupy available electron shells (rings). Molybdenum is a transition metal in group 6, period 5, and the d-block of the periodic table. It has a melting point of 2623 degrees Celsius.