Which property is better explained by the band theory than by the sea of electrons model? ductility thermal conductivity luster electrical conductivity

Answer;

Luster

Luster is the property that is better explained by the band theory than by the sea of electrons model.

Explanation;Electron sea model is the most commonly used model for binding in metals; electrons are assumed to flow easily between metal nuclei.According to the band theory the atomic orbitals overlap to form molecular orbitals in which the valence electrons of the atoms travel. Metals conduct electricity with the help of valence electrons present in them.Band theory provides a good explanation of metallic luster and metallic colors.

Mass is the amount of matter in an object.  weight is the measurement of the pull of gravity on an object.  say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165)  now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon.  however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant.  in conclusion it is possible for your weight to change as your mass remains constant.