12 - ATOMS
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Practice Questions
Test your understanding with targeted questions
What subatomic particle is negatively charged?
💡 Hint: Think about the charge opposition to protons.
What historical model is known as the 'plum pudding' model?
💡 Hint: Remember the fruit analogy for particle distribution.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following statements about the Rutherford model is true?
💡 Hint: Think about what particles were deflected during his experiments.
True or False: In Bohr's model, electrons remain stationary.
💡 Hint: Consider what makes the orbits 'stable' despite motion.
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Challenge Problems
Push your limits with advanced challenges
In a hydrogen atom, what energy is required to move from the n=1 state to the n=3 state? Calculate using Bohr's energy formula.
💡 Hint: What are the individual energies for the states involved?
Explain why Bohr's model cannot be applied to helium, considering electron interactions.
💡 Hint: Consider how multiple charge interactions differ from a single orbit.
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