Compare the hardness and brittleness of aluminum versus salt. Suggest a reason, based on the crystal structure of metals versus ionic compounds, why hardness and brittleness are not the same thing.

Compare and contrast physical changes with chemical changes.

Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point