Which formula represents a polar molecule?

(1) O2

(2) CO2

(3) NH3

(4) CH4

Which of the following is true concerning atoms? A. Atoms are made of even smaller substances called subatomic particles B. The properties of atoms cannot be measured or observed

A flat screen tv weighs 147 Newtons. The mass of the TV is?

What is 823,549 rounded to three significant figures?

Which of the following terms refers to the number of moles of solute per liter of solution?

Besides water, what is the product of a Neutalization Reaction between H2SO4 and LiOH? a. LiSO4 b. HOH c. LiS d. Li2SO4

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?

What process do body cells use to divide

Recall the postulates of kinetic molecular theory read the list and check all the statements that apply to behavior of an ideal gas

Which property would cesium most likely have? It is hard. It is ductile. It is a gas. It has low reactivity.