State the number of valence electrons the following element has:

B

Can atoms be created or destroyed during a chemical reaction?

A 2.5600 gram sample of a sulfur-containing compound is analyzed by precipitating the sulfur as BaSO4. If 1.1756 g of BaSO4 are obtained, what is the percentage of sulfur in the sample?

How would you determine the proper number of significant figures for measurement of a liquid using a graduated cylinder?

If all other conditions are held constant when the temperature of a reaction system increases reaction rate A. Increases B. Decreases C. Is not affected by temperature

What best describes a solution?

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.