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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an atom?
💡 Hint: Think about the smallest piece of a substance.
Question 2
Easy
Name a molecule made of two hydrogen atoms and one oxygen atom.
💡 Hint: What is the liquid we drink?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the smallest unit of an element?
💡 Hint: Consider what defines the elements.
Question 2
True or False: A molecule can consist of two or more atoms.
💡 Hint: Think about what makes a molecule.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Explain the role of electrons in the formation of bonds between atoms, and how this affects the properties of the resulting molecule.
💡 Hint: Think about how electrons are shared or transferred between atoms.
Question 2
Discuss how the ionization of an atom can lead to the creation of new substances, providing examples.
💡 Hint: Consider how ionic bonds differ from covalent bonds.
Challenge and get performance evaluation