Question

Which of the following is a property of metals that is due to the delocalization of electrons?

Answer 1

Here, you wrote an incomplete question.

In metals due to delocalization of electrond, they attain the properties of excellent electrical and heat conducters. moreover, these electron delocalization causes to attaing their ferro magnetic properties, for example iron.

Due to their nature of bonding and that contrast to general ionic and covalent, they are very hard and ductile.

Metals are uniformly lustrous, because all metals absorb light at all frequencies and immediately radiate it.