Practice The Ever-Evolving Atom: A Historical Perspective - 2.1 | Chapter 2: The Building Blocks of Matter: Atoms, Elements, and the Periodic Table | IB 9 Chemistry
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The Ever-Evolving Atom: A Historical Perspective

2.1 - The Ever-Evolving Atom: A Historical Perspective

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Who proposed the concept of 'atomos'?

💡 Hint: Think of ancient Greek philosophers.

Question 2 Easy

What does Dalton's atomic theory state about atoms in reactions?

💡 Hint: Consider the conservation of mass.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Who is credited with the first atomic theory?

Democritus
Dalton
Thomson

💡 Hint: Think of the early 19th century.

Question 2

True or False: Electrons were discovered before the nucleus.

True
False

💡 Hint: Consider the timeline of discoveries.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze how the shift from Dalton's model to Rutherford's model changed the course of atomic theory.

💡 Hint: Consider the implications of internal structures on chemical behavior.

Challenge 2 Hard

Evaluate the importance of quantized energy levels introduced by Bohr and how it impacted our understanding of electron behavior.

💡 Hint: Think about how energy absorption and emission relate to light and color.

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Reference links

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