Answer:
[tex]\Large \boxed{\mathrm{1 \ valence \ electron}}[/tex]
Explanation:
Molybdenum is an element with an atomic number of 42.
An atom of Molybdenum has 42 electrons.
The electronic configuration of Molybdenum is 2, 8, 18, 13, 1.
The valence electrons are the number of electrons in the last shell.
Molybdenum has 1 valence electron.
