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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the atomic number?
💡 Hint: Think about what uniquely identifies each element.
Question 2
Easy
Name the groups in the Periodic Table.
💡 Hint: Count them from left to right.
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 defines an element's identity?
- Atomic mass
- Atomic number
- Valence electrons
💡 Hint: Consider how to differentiate between elements.
Question 2
True or False: Atomic mass is a consistent identifier for elements.
- True
- False
💡 Hint: Think about isotopes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a new element X in Group 2, period 4, predict its reactivity and physical state at room temperature.
💡 Hint: Consider the nature of alkali vs alkaline earth metals.
Question 2
Why might elements in the same group show a trend in reactivity? Use atomic structure to explain.
💡 Hint: Relate to electron shielding and atomic distance.
Challenge and get performance evaluation