1st Semester Exam prep

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion. It depends on the mass and speed of the object.

Front

What is the order of kinetic energy in states of matter?

Back

The order from low to high kinetic energy is: Solid (S), Liquid (L), Gas (G).

Front

How do elements on the right side of the periodic table behave in terms of electron gain?

Back

Elements on the right side tend to form ions by gaining electrons.

Front

What indicates a chemical change?

Back

A gas forms when vinegar and baking soda are mixed.

Front

What happens to water particles during freezing?

Back

During freezing, water particles become arranged in a fixed position.

Front

What is the conservation of mass in chemical reactions?

Back

The reactants and products have exactly the same atoms.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change results in the formation of new chemical substances.

Front

What is the difference between boiling and evaporation?

Back

Boiling occurs at a specific temperature throughout the liquid, while evaporation can occur at any temperature.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.