Practice Dobereiner’s Triads - 5.2.1 | 5. The Periodic Table | ICSE 9 Chemistry
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Dobereiner’s Triads

5.2.1 - Dobereiner’s Triads

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Practice Questions

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Question 1 Easy

What are Dobereiner’s Triads?

💡 Hint: Think about how elements are related to each other.

Question 2 Easy

Name one example of a Dobereiner’s Triad.

💡 Hint: Recall the common alkali metals.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main idea of Dobereiner’s Triads?

Classifying all elements in one group
Grouping elements in sets of three
Based on atomic number

💡 Hint: Think about how elements are structured in Dobereiner's classification.

Question 2

True or False: All elements can be classified into Dobereiner’s Triads.

True
False

💡 Hint: Reflect on the definition and limitations discussed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a set of elements: Beryllium, Magnesium, and Calcium, analyze whether they can form a Dobereiner's Triad. Discuss their atomic masses and properties.

💡 Hint: Look at their atomic masses and consider similarities.

Challenge 2 Hard

Critically evaluate the scientific advancements needed to address the limitations of Dobereiner’s Triads.

💡 Hint: Think of how later discoveries built upon previous classifications.

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