Lily took 57 seconds to walk from classroom to library. If the distance between the classroom and library was 38 m, at what average speed did Lily walk in m/min? ___ m/min

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.