Properties of Materials (Part 2)

What You'll Learn

A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chloride—common table salt.

Key Words

pH
acid
base

Materials Needed

baking soda
cups
spoons

Safety First

Tie back long hair before starting the experiment.

Steps

Step 1 — Read

Read and learn: A compound's properties differ from its elements. Sodium is a reactive metal and chlorine is a toxic gas, but together they form sodium chloride—common table salt.

Step 2 — Do

Compare your results with a partner.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What is a solution?