Which option is the basic unit of water, a compound? O A. A hydrogen molecule
B. A water atom
O C. A water molecule
O D. A hydrogen atom

How does the motion of particles in a gas change as the gas cools

How can the periodic table be used to predict the behavior of elements?

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these