If you are using the unit Kelvin, you are measuring the average of which of these choices?

A. kinetic energy of molecules.

B. rate of reaction of particles.

C. mass of ionic compounds.

D. volume of a sample of gas.

2HO - H2O is this balanced 3Na2S-Na6S3

What conclusion does he finally come to about his feelings about the house? A.) They are so run-down-of course they are scary. B.) Sometimes simple things are combined in ways that we just can't analyze C.) The house is haunted D.

Which is not a characteristic of most nonmetals? Their atoms lose electrons when bonding with metal atoms. Their atoms gain electrons when bonding with metal atoms. Their atoms share electrons with other nonmetal atoms.

Which acid is the strongest? pH = 0.5 pH = 2.0 pH = 3.5 pH = 5

Which of the following is a good scientific question? A. Is the weather in Seattle more comfortable in the spring or summer? B. Is the average humidity of Phoenix greater in the winter or the fall? C.

How can you make sure all the water in a hydrated compound has been removed? explain.

10. Is the identity of an element determined by its mass number or atomic number? By omak

How do particles tend to move in solids?

C6H5Cl is it polar or nonpolar?

Question 1 Dr pepper has an [H+] = 1.4E-5. what is the pH