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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a period in the context of the Periodic Table?
💡 Hint: Think about how elements are organized in the table.
Question 2
Easy
Does atomic size increase or decrease as you move across a period?
💡 Hint: Consider the relationship between protons and electron clouds.
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
True or False: Atomic size decreases as you move across a period.
- True
- False
💡 Hint: Consider how electrons react to the protons in the nucleus.
Question 2
What is the expected trend in reactivity for non-metals in a period?
- Decreases
- Increases
- Stays the Same
💡 Hint: Think about what non-metals want in terms of electrons.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If lithium (Li) has an atomic radius of 1.52 Å and sodium (Na) has an atomic radius of 1.86 Å, how does this support the trend of atomic size across period 2?
💡 Hint: Remember how the number of shells relates to atomic size.
Question 2
Predict the reactivity of bromine (Br) in comparison to chlorine (Cl) based on the periodic trends discussed, and explain why.
💡 Hint: Consider what happens to electron attraction as size increases.
Challenge and get performance evaluation