Discuss Together with a partner, talk about the amount of solar energy that falls on a given area. What happens when light is not spread out? What happens when the light is more spread out? Relate this idea to the sun's energy and Earth.

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

What is the formula that this ionic compounds could form sr2+p3-o2-

One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus