Which of the following is a characteristic of an ionic compound? (2 points) it can be a solid, liquid, or gas. it has a low melting point. it is made of a metal and a nonmetal. it is formed when atoms share electrons.

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

What are the similarities between compounds and mixtures?