Trends in the Periodic Table
Grade 1245 min
Learning Objective
I can predict and explain periodic trends, including electronegativity, ionization energy, atomic radius, and metallic character, based on electron configuration and nuclear charge.
Lesson Flow
Watch Video
The Periodic Table: Atomic Radius, Ionization Energy, and Electronegativity
Professor Dave Explains
Practice
12 questions • Short answer
Exit Ticket
“Consider nitrogen (N) and fluorine (F). Which element has the higher electronegativity? Explain your answer in terms of effective nuclear charge and electron configuration. Consider lithium (Li) and potassium (K). Which element has the larger atomic radius? Explain your answer in terms of electron configuration and the number of electron shells.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
