What do coefficients in chemical equations tell you?

What does earth’s rotation on its axis cause? the tides night and day passing of years phases of the moon

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

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.