Practice Summary (3.8) - Classification of Elements and Periodicity in Properties
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Practice Questions

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Question 1 Easy

What does the atomic number represent?

💡 Hint: Look at the elements' arrangements in the Periodic Table.

Question 2 Easy

How do you explain the trend of atomic radius in the Periodic Table?

💡 Hint: Consider the effect of the nucleus on electrons.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What indicates that two elements will have similar chemical properties?

Their atomic mass
Their atomic number
Their placement in the same group

💡 Hint: Think about how electrons influence reactivity.

Question 2

True or False: The atomic radius increases across a period.

True
False

💡 Hint: Reflect on how nuclear charge affects atomic size.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze the link between reactivity patterns in the Periodic Table and electron configurations.

💡 Hint: Focus on how electron arrangement influences behavior.

Challenge 2 Hard

Discuss how predicting properties of newly discovered elements utilizes the existing trends in the Periodic Table.

💡 Hint: Reflect on Mendeleev's predictions regarding gaps in his table.

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