2 - The Structure of the Atom
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Practice Questions
Test your understanding with targeted questions
What is a proton?
💡 Hint: Think about what charge it has.
Define an atom.
💡 Hint: What is the fundamental building block of matter?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the atomic number represent?
💡 Hint: Think about what identifies an element.
True or False: Isotopes of an element have different atomic numbers.
💡 Hint: Focus on the definition of isotopes.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
An unknown element has 9 protons and 10 neutrons. Identify the element and its mass number.
💡 Hint: Refer to the periodic table for element identification.
An atom has an atomic number of 15 and a mass number of 31. How many neutrons does it have?
💡 Hint: Think about how to derive neutrons from the given numbers.
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