What are the common names for the following chemical substances? • acetic acid • sodium acetate
• sodium bicarbonate • calcium chloride
• carbon dioxide • calcium carbonate
• dihydrogen monoxide • sodium chloride

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.