1. Explain how to create a Lewis Structure for an
covalent compound and tell
why the structure is an
important tool in Chemistry.
As an example, insert the
Lewis Structure for
ammonia (NH).

What forms when chemical reactions combine pollution with sunlight?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.