Chemistry Semester 1 Exam Study Guide PART 2

Front

What is the chemical symbol for iron?

Back

Fe

Front

What is an example of a chemical change?

Back

Rusting of iron

Front

What element has the chemical symbol C?

Back

Carbon

Front

Which substance is typically in a different physical state at room temperature: water, milk, grape juice, or oxygen?

Back

Oxygen

Front

Does a substance have a fixed composition?

Back

No, a substance does not have a fixed composition.

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the chemical symbol for carbon?

Back

C

Front

What is rusting?

Back

Rusting is a chemical change where iron reacts with oxygen and moisture to form iron oxide.

Front

What is the state of matter for most elements at room temperature?

Back

Most elements are solid at room temperature, except for mercury (liquid) and noble gases (gases).