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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the charge of an electron?
💡 Hint: Consider what makes electrons unique from protons.
Question 2
Easy
Name the three main subatomic particles.
💡 Hint: Think about the building blocks of the atom.
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 is the mass of an electron?
- 9.109×10^-31 kg
- 1.673×10^-27 kg
- 1.675×10^-27 kg
💡 Hint: Think about how electrons compare to the other subatomic particles.
Question 2
True or False: Neutrons carry a positive charge.
- True
- False
💡 Hint: Consider how neutrons are unique among subatomic particles.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider a hydrogen atom consisting of one proton and one electron. If the electron were to gain enough energy to escape the electric field of the proton, what energy would it need to overcome? Discuss binding energy in this context.
💡 Hint: Think about how binding energy relates to the stability of the nucleus.
Question 2
A nucleus consists of 6 protons and 6 neutrons. Calculate the binding energy given that the mass defect is 0.006 u. Use E = mc^2 for your calculations.
💡 Hint: Apply the mass-energy equivalence equation carefully.
Challenge and get performance evaluation