Chemistry Fall 2024 Semester Exam Practice Flashcardizz 5

Front

What is the process called when a liquid changes into a solid?

Back

Freezing

Front

Is volume an extensive or intensive property?

Back

Extensive

Front

What is a pure substance?

Back

A sample of matter that has definite chemical and physical properties, consisting of a single type of element or compound.

Front

What is the process called when a liquid changes into a gas?

Back

Evaporation

Front

What is an element?

Back

A substance that cannot be separated or broken down into simpler substances by chemical means; all atoms contain the same atomic number.

Front

What is melting?

Back

The process where a solid changes into a liquid.

Front

What is condensation?

Back

The process where a gas changes into a liquid.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is an intensive property?

Back

A property that does not depend on the amount of substance present, such as density or boiling point.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.