How much heat is lost when 15.34g of water drops from 90.0°C to 81°C?

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

In salt water solution,the salt is the blank

Which terms are used to identify pure substances