Atoms and the Periodic Table
Grade 8•45 minutes
Learning Objective
I can describe the structure of an atom, including the location and charge of protons, neutrons, and electrons, and explain how this structure relates to an element's position on the periodic table.
Practice Questions
This lesson includes 6 practice questions to reinforce learning.
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1. Explain the difference between the Bohr model and the electron cloud model of the atom.
2. What are the three subatomic particles that make up an atom, and what are their charges?
3. What does the chemical symbol for an element represent, and why is it important for scientists to use a standardized system? Provide an example of an element and its chemical symbol.
...and 3 more questions
Educational Video
Atoms & The Periodic Table of Elements: Sec. 1: Atomic Structure
NGS Magnified