Chemistry Concepts Quiz

What is a chemical bond?

• A force that holds atoms together

• A type of chemical reaction

• A phase change

• A type of electron shell

What is an ionic bond?

• A bond formed by sharing electrons

• A bond formed by transferring electrons

• A bond formed by phase change

• A bond formed by chemical reaction

What do electron shells have to do with chemical bonding?

• They determine the phase of matter

• They are involved in the formation of bonds

• They classify matter

• They summarize chemical equations

What happens to electrons in a covalent bond?

• They are transferred

• They are shared

• They are lost

• They are gained

How do we classify matter?

• By its color

• By its phase

• By its chemical and physical properties

• By its temperature

What is the difference between a chemical and physical change?

• Chemical changes are reversible, physical changes are not

• Physical changes involve electron transfer, chemical changes do not

• Chemical changes result in new substances, physical changes do not

• Physical changes result in new substances, chemical changes do not

What is a phase change?

• A change in chemical composition

• A change in the state of matter

• A change in temperature

• A change in electron configuration

Is a phase change a physical or chemical change?

• Physical change

• Chemical change

• Both

• Neither

Are phase changes reversible or permanent?

• Reversible

• Permanent

• Both

• Neither

What are the components of a chemical equation?

• Reactants and products

• Electrons and protons

• Atoms and molecules

• Phases and states