Periodic Table Groups
Grade 7Science45 min
Learning Objective
I can explain how the number of valence electrons affects the chemical properties of elements within a group.
Lesson Flow
Watch Video
What are The Groups in The Periodic Table?
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Practice
1 questions • Short answer
Exit Ticket
“An element is in Group 2. How many valence electrons does it have, and what is one property you would expect it to have based on its group? An element has 7 valence electrons. In which group of the periodic table is it likely to be found, and would you expect it to be very reactive or not very reactive? ”
Teacher Guide
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