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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the smallest unit of an element?
💡 Hint: Think about what makes up all matter.
Question 2
Easy
What happens to an atom when it gains an electron?
💡 Hint: Remember the balance of protons and electrons.
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 an atom?
💡 Hint: Remember what defines matter.
Question 2
Na⁺ is an example of what type of ion?
- Anion
- Cation
- Neutral
💡 Hint: Consider if this ion has gained or lost electrons.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If you have an unknown element that is standard atomic number 15, determine its charge when it forms a cation after losing 3 electrons. What will be its chemical symbol?
💡 Hint: Think about the periodic table and how charges are calculated.
Question 2
Analyze the following compound, CO₂. Describe the types of bonds formed between the atoms and explain the result of this bonding.
💡 Hint: Consider how many electrons are shared and the shape it produces.
Challenge and get performance evaluation