HPS- BM #2 Study Guide Part 1

Front

What do periods represent in the periodic table?

Back

Periods represent the number of energy levels in the electron cloud.

Front

What determines the number of energy levels in an atom's electron cloud?

Back

The period number determines the number of energy levels in an atom's electron cloud.

Front

What type of force holds the nucleus of an atom together despite proton repulsion?

Back

The Nuclear or Strong force holds the nucleus of an atom together.

Front

Who first proposed the nuclear model of the atom through the gold foil experiment?

Back

Ernest Rutherford proposed the nuclear model of the atom through the gold foil experiment.

Front

What happens if you add more solute to a saturated solution?

Back

If you add more solute to a saturated solution, it collects at the bottom.

Front

What is the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes.

Front

What is the difference between a saturated and an unsaturated solution?

Back

A saturated solution contains the maximum amount of solute that can dissolve at a given temperature, while an unsaturated solution can still dissolve more solute.

Front

What is the role of neutrons in the nucleus of an atom?

Back

Neutrons help to stabilize the nucleus by offsetting the repulsive forces between protons.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons are the outermost electrons and are involved in forming chemical bonds.

Front

What is the electromagnetic force?

Back

The electromagnetic force is a fundamental force that causes the attraction between oppositely charged particles and the repulsion between like charges.