Chapter 5 Review

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which also equals the number of electrons in a neutral atom.

Front

What are the basic building blocks of all matter?

Back

Atoms are the basic building blocks of all matter.

Front

What type of macromolecule is glucose?

Back

Glucose is a carbohydrate.

Front

What is the term for the substance that is dissolved in a solution?

Back

The substance that is dissolved in a solution is called the solute.

Front

Why does ice float on liquid water?

Back

Ice floats on liquid water because it is less dense than liquid water.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout, such as saltwater.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

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.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number and identity of an element.