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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What year did Mendeleev create the first periodic table?
💡 Hint: Think of the historical timeline of scientific discoveries.
Question 2
Easy
What does the periodic law refer to?
💡 Hint: Focus on how element properties relate to their arrangement.
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
What is the main principle of the Periodic Law?
- Elements are arranged by weight
- Properties of elements are periodic functions of their atomic number
- All elements have the same properties
💡 Hint: Think about how elements behave and their patterns.
Question 2
True or False: Mendeleev arranged elements based on atomic number.
- True
- False
💡 Hint: Recall how Mendeleev approached the organization of elements.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Discuss how Mendeleev's predictions regarding germanium were later verified by scientists. What was the significance of this process?
💡 Hint: How did predictions impact real-world discoveries in chemistry?
Question 2
Create a modern periodic table entry based on the properties Mendeleev might have predicted. What would you include?
💡 Hint: Think about the characteristics that define an element and how Mendeleev's approach can guide you.
Challenge and get performance evaluation