Practice Genesis of Periodic Classification - 3.2 | 3. Classification of Elements and Periodicity in Properties | CBSE 11 Chemistry Part 1
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3.2 - Genesis of Periodic Classification

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Who proposed the concept of triads in element classification?

💡 Hint: Think of the first scientist mentioned in our discussions.

Question 2

Easy

What did Newlands compare his periodicity theory to?

💡 Hint: Remember, he related properties to music.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Who discovered the concept of triads?

  • Dmitri Mendeleev
  • John Newlands
  • Johann Dobereiner

💡 Hint: Think back to the very first classification we discussed.

Question 2

Is Newlands' Law of Octaves applicable to all elements?

  • True
  • False

💡 Hint: Consider the limitations discussed regarding its applicability.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a hypothetical element based on Mendeleev’s predictions. Classify it into the correct group based on molecular structure and behavior associated with its predicted properties.

💡 Hint: Think of gaps in Mendeleev's table.

Question 2

Evaluate the impact of transitioning from atomic weight to atomic number on the classification of elements and periodicity. Discuss the advantages and implications.

💡 Hint: Consider how properties and periodic trends relate to atomic structure.

Challenge and get performance evaluation