Cars speedometer reads 10,500 km at the start pf a trip and 10,700 km at the end. determine distance and displacement

Why is nh3 classified as a polar molecule

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

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.