Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What subatomic particle is negatively charged?
💡 Hint: Think about the charge opposition to protons.
Question 2
Easy
What historical model is known as the 'plum pudding' model?
💡 Hint: Remember the fruit analogy for particle distribution.
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
Which of the following statements about the Rutherford model is true?
- Electrons orbit the nucleus in fixed paths
- Most of the atom is empty space
- It was the first model proposed
💡 Hint: Think about what particles were deflected during his experiments.
Question 2
True or False: In Bohr's model, electrons remain stationary.
- True
- False
💡 Hint: Consider what makes the orbits 'stable' despite motion.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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?
Question 2
Explain why Bohr's model cannot be applied to helium, considering electron interactions.
💡 Hint: Consider how multiple charge interactions differ from a single orbit.
Challenge and get performance evaluation