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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of an atom?
💡 Hint: Think about the smallest piece of matter.
Question 2
Easy
Can an atom exist independently?
💡 Hint: Consider what happens in a chemical reaction.
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 does the law of conservation of mass state?
- Mass can be created in reactions
- Mass cannot be created or destroyed
- Mass changes in chemical processes
💡 Hint: Think about chemical reactions.
Question 2
True or False: All atoms of a given element are identical.
- True
- False
💡 Hint: Recall Dalton's postulates.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If 10g of substance A reacts with 15g of substance B, what will be the mass of the products?
💡 Hint: Add the masses of the reactants together.
Question 2
According to Dalton's atomic theory, how do atoms combine to form compounds?
💡 Hint: Think about how 'friends' combine to form a 'team' in specific numbers.
Challenge and get performance evaluation