Chemistry 1 Pre-Test Ridge View High School

Front

What technology uses electromagnetic radiation in medical imaging?

Back

X-rays and MRI.

Front

Which nuclear process produces the greatest amount of energy?

Back

Nuclear fusion.

Front

What is an ionic bond?

Back

A bond that involves the transfer of electrons between atoms.

Front

What does 'activation energy' refer to in a chemical reaction?

Back

The energy required to start the reaction.

Front

What is an example of an attractive force in materials?

Back

Electrostatic force.

Front

What is the primary difference between ionic and covalent bonds?

Back

Ionic bonds involve transfer of electrons, while covalent bonds involve sharing of electrons.

Front

What is the role of catalysts in chemical reactions?

Back

Catalysts lower the activation energy, speeding up the reaction without being consumed.

Front

What is the principle of conservation of mass in a chemical reaction?

Back

Mass is neither created nor destroyed; it is conserved.

Front

What is the difference between endothermic and exothermic reactions?

Back

Endothermic reactions absorb energy, while exothermic reactions release energy.

Front

What is a chemical equilibrium?

Back

A state where the rates of the forward and reverse reactions are equal.