Chemistry Final Review

Front

Which subatomic particle has a POSITIVE charge?

Back

Protons are subatomic particles that have a positive charge.

Front

Subatomic particles with a negative charge?

Back

Electrons are subatomic particles that carry a negative charge.

Front

What type of solution has more room to dissolve solute?

Back

An unsaturated solution has more room to dissolve additional solute.

Front

What is the formula for calculating molarity?

Back

Molarity is calculated using the formula: moles of solute / liters of solution.

Front

What is the volume of 1.50 M KBr that can be made from 15.6 mL of 9.65 M KBr?

Back

100. mL of 1.50 M KBr can be made from 15.6 mL of 9.65 M KBr.

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons, neutrons, and electrons.

Front

What is the charge of neutrons?

Back

Neutrons have no charge; they are neutral particles.

Front

What is the significance of Avogadro's number?

Back

Avogadro's number (6.022 x 10^23) is the number of particles in one mole of a substance.

Front

What is a saturated solution?

Back

A saturated solution is one in which no more solute can dissolve at a given temperature.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.