Periodic Trends in Chemistry
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Objective
I can explain how periodic trends such as electronegativity and atomic radius vary across the periodic table.
Part 1 of 3
Warm-up video
Professor Dave Explains · 7:53Vetted channel
We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Define atomic radius and explain how it changes as you move down a group and across a period in the periodic table.
Describe the relationship between ionization energy and atomic radius. How does this relationship manifest as you move across a period?
Part 3 of 3
Exit ticket
Quick comprehension check
“Explain how the atomic radius changes as you move across a period from left to right in the periodic table. Provide a detailed reasoning for this trend. Describe the trend of electronegativity as you move down a group in the periodic table. Explain the underlying reasons for this trend. ”
Sample answer included in the free materials
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