When transition metals react chemically they may lose electrons from the?

When transitional metals react, they may lose the electron(s) from the D-ORBITAL in order to become an ion and form ionic bonds.  This is why they are considered d-block elements.

This is what i found “nuclear fuel is material used in nuclear power stations to produce heat to power turbines. heat is created when nuclear fuel undergoes nuclear fission. most nuclear fuels contain heavy fissile actinide elements that are capable of undergoing and sustaining nuclear fission.” i hope this you for what your looking for. can you plz mark me brainliest?