Periodic Table
Grade 9•45 minutes
Learning Objective
I can explain how the periodic table organizes elements based on increasing atomic number and recurring chemical properties.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain how elements are organized in the periodic table based on the information presented in the video.
2. Describe the difference between a group and a period on the periodic table.
3. Explain why elements in the same group often have similar chemical properties. Provide an example from the video.
...and 4 more questions
Educational Video
The periodic table | Atoms, elements, and the periodic table | High school chemistry | Khan Academy
Khan Academy Organic Chemistry