Band theory is based on molecular orbital theory.

a. True

b. False

What is a metal which will react with magnesium nitrate?

Which of the following occurs in this system? A. Water does not cross the membrane at all. Water flows equally in both directions. B. There is a net flow of water from the 10% starch solution into the 4% starch solution. C.

During chemical equilibrium, the reactants change into products slower than the products change back into reactants. a. true b. false

Which of the following resources releases greenhouse gases? Biomass energy Nuclear power Solar power Wind power

Which is a characteristic of a synthesis reaction A. There is more than one reactant b. The general formula is a-b+c c. all reactants are elements d. more than one product forms

What is not needed in the chemical formula for a covalent compound a-display of positive and negative charges b-specific atoms put together in the compound c-how many of each atom are combined d-abbreviation for an atoms included

Are there more bones in the arm than in the leg?

Column chromatography is based on the principle of

Radiation can cause long-term problems once it enters the environment.

When water freezes it forms a lattice pattern and?