When bonds between atoms are broken or formed, what is the outcome?
a.
a physical change
b.
an element increasing in size
c.
a chemical change
d.
a change of state

I think the answer would be c. Chemical change

according to kinetic-molecular theory, the following would not be considered an ideal gas:

a gas at very low volumes, when gas particles are very close together

a gas at very low temperatures, when gas particles have very little kinetic energy a gas

a gas with highly polar molecules that have very strong intermolecular forces

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d.) circle motion requires a force to give it a centripetal acceleration.