Which properties describe elements that are nonmetal gases? A) composed of an extended structure
B) composed of individual atoms or diatomic molecules
C) high melting point
D) low melting point
E) strong attractions between particles
F) weak attractions between particles

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

The three types is stress that act on earths rocks are compression, tension, and

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt