Which combination of elements below will bond ionically and in the same ratio as lithium when it bonds to sulfur?

A) carbon and oxygen

B) sodium and oxygen

C) calcium and nitrogen

D) aluminum and chlorine

Why does every chemical reaction require a certain amount of activation energy? Ο Α. Energy is released when the reactants begin to react. OB Energy lost to the environment during the reaction must be replaced. O c.

Sea water coastal lakes connected to the open sea by shallow restricted outlets are called a. spits b. tombolos c. sea stacks d. lagoons

Substances with a pH close to 14 are strong what?

Explain why the brightness of the light emitted by a flashlight decreases as the flashlight moves farther away from you

All matter is made up of atoms. Which sentence correctly describes atoms? a An atom is the smallest particle of an element. b Atoms are the smallest particle of a nucleus. c An atom is a substance that has been cut in half.

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)

If you start with 4 moles of iron and 3 moles of oxygen to produce iron oxide, what is the limiting reagent? (You will need to balance the equation first.) Fe + O2 - > Fe2O3

Is burning wood a physical change

A gas is located inside a closed container. if the gas is allowed to occupy more volume inside the container, what will happen to the pressure? (note: there is no gas added to the container.)