Honors Final Exam Review #2

Front

What is the correct formula for aluminum sulfide?

Back

Al₂S₃

Front

What is the correct name of the compound CaCl₂?

Back

Calcium chloride

Front

Which of the following substances is a heterogeneous substance? (Options: baby oil, rocky road ice cream, salt water, milk)

Back

Rocky road ice cream

Front

What is the formula to calculate density?

Back

Density = Mass / Volume

Front

If an object has a mass of 4g and a volume of 2cm³, what is its density?

Back

2 g/cm³

Front

What is the significance of significant figures in calculations?

Back

Significant figures indicate the precision of a measurement.

Front

How do you round the number 100 / 2.0 to the correct significant figures?

Back

50 (rounded to 2 significant figures)

Front

What is a compound?

Back

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

Front

What is the difference between a homogeneous and heterogeneous mixture?

Back

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures have distinct, separate components.

Front

What is the chemical formula for calcium chloride?

Back

CaCl₂