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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What are the halogens?
💡 Hint: Think about elements like fluorine and chlorine.
Question 2
Easy
How many electrons do halogens have in their outer shell?
💡 Hint: Consider their placement in the periodic table.
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 primary characteristic of halogens in Group 17?
- They have one electron in their outer shell
- They have seven electrons in their outer shell
- They are all gases at room temperature
💡 Hint: Think about what makes them reactive.
Question 2
True or False: Halogens exist in different physical states at room temperature.
- True
- False
💡 Hint: Recall the states of fluorine, chlorine, bromine, and iodine.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A chemist has a sample of an unknown element from Group 17. Describe its potential reactivity and physical state if it is bromine.
💡 Hint: Consider the position of bromine in the periodic table.
Question 2
Explain the process of how sodium chloride is formed from sodium and chlorine and what happens at the electron level.
💡 Hint: Think about the octet rule and what each atom wants to achieve.
Challenge and get performance evaluation