Chemistry quiz: Periodic table trends

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What this quiz should check

Topic: Periodic table patterns and trends in atomic structure (HS-PS1-1). A good Chemistry quiz on this asks students to:

• Use an element's position to predict its number of valence electrons and the ions it tends to form
• Describe trends in atomic radius, ionization energy and electronegativity across a period and down a group
• Explain those trends using energy levels and the attraction between the nucleus and outer electrons
• Predict how elements in the same group will react based on their outer electrons

Misconceptions worth a question

• Thinking atoms get bigger across a period because they gain more electrons
• Mixing up periods (rows) and groups (columns)
• Memorizing trend arrows without being able to explain them

Teacher tip: Include at least one explain-why item for each trend, not just ranking questions. Rankings can be memorized from an arrow chart.

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Teach it first

Plan the lesson on the same standard: objective, practice, differentiation and an exit ticket.

Chemistry Periodic table trends lesson plan prompt →