Question

which statement explains how the bands in the crystal of a metal are like atomic orbitals? they both have localized electrons that orbit specific atoms. they both involve ionization of some atoms so bonding can occur. they both have localized electrons that move from atom to atom. they both allow electrons to move from lower energy levels to higher energy levels.

Explanation:

• In atomic orbitals, electrons can occupy different energy levels and move between them. In metal crystals, the band theory describes how electrons can move from lower - energy bands (like valence bands) to higher - energy bands (like conduction bands).
• For the first option: In metals, electrons are delocalized (not localized to orbit specific atoms), so this is wrong.
• For the second option: Ionization for bonding is not the similarity between metal bands and atomic orbitals. Atomic orbitals are about electron distribution in an atom, and metal band formation is more about electron delocalization and energy - level overlap.
• For the third option: In atomic orbitals, electrons are not moving from atom - to - atom (they are in an atom's orbitals), so this is incorrect.

Answer:

They both allow electrons to move from lower energy levels to higher energy levels.