Which description of an atom is accurate? a. a nucleus surrounded by protons and neutrons b. a nucleus containing electrons and protons c. electrons encircling a nucleus with neutrons and protons d. protons surrounded by neutrons and electrons

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.