Chemical interactions: Investigation 9

Front

What is the basic unit of matter?

Back

Atom

Front

True or False: All matter is made of atoms.

Back

True

Front

What is a mixture?

Back

A mixture is 2 or more substances physically combined.

Front

What is a compound?

Back

A compound is a combination of 2 or more elements.

Front

How many atoms of Fluorine are in the compound 6MgF2?

Back

12

Front

What type of change occurs when an ice pack gets cold after being placed in the freezer?

Back

Physical Change

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

What is the chemical formula for water?

Back

H2O

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances.

Front

What is a physical change?

Back

A physical change alters the form of a substance but not its chemical composition.