ELEMENTS, COMPOUNDS, AND MIXTURES

Front

What is a substance with a pH greater than 7?

Back

Base

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

How many types of atoms are in K₂SO₄?

Back

3

Front

If an unknown substance cannot be broken down into simpler substances, what is it?

Back

An element

Front

What does a pure substance that is a compound consist of?

Back

Two or more different elements chemically bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

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 mixture and a heterogeneous mixture?

Back

A homogeneous mixture has a uniform composition, while a heterogeneous mixture has a non-uniform composition.

Front

What is the pH range of acids?

Back

pH less than 7.