AP CHEM Semester A Final Exam

Front

What is the amount of matter in an object called?

Back

Mass

Front

What type of observation is made when describing qualities such as color?

Back

Qualitative observation

Front

What tool is used to measure volume?

Back

Graduated cylinder

Front

What are the electrons in the outermost shell called?

Back

Valence Electrons

Front

How are ionic bonds formed?

Back

By the transfer of electrons.

Front

What is the definition of density?

Back

Density is the mass per unit volume of a substance.

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe characteristics, while quantitative observations involve measurements.

Front

What is the purpose of a triple beam balance?

Back

To measure the mass of an object.

Front

What is a covalent bond?

Back

A covalent bond is formed when two atoms share electrons.

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.