The Periodic Table of Elements (Part 3)

What You'll Learn

The periodic table organizes elements by their properties. Elements in the same column (group) have similar characteristics, such as the noble gases which rarely react.

Key Words

isotope
chemical bond
molecular formula

Steps

Step 1 — Read

Study the diagram and label the parts you recognize.

Step 2 — Do

Separate a mixture of sand, salt, and iron filings using a magnet, water, and a filter. Record each step and what you separated.

Step 3 — Observe

Use your senses (except taste) to describe what you notice.

Step 4 — Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What are elements organized in?