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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a proton?
💡 Hint: Think about the charge and location in the atom.
Question 2
Easy
Define atomic number.
💡 Hint: It's the number that defines the element.
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 particle is negatively charged?
- Proton
- Neutron
- Electron
💡 Hint: Remember the charges of subatomic particles.
Question 2
True or False: Isotopes have the same number of protons.
- True
- False
💡 Hint: Think about what isotopes are.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a chlorine isotope has 17 protons and a mass number of 35, how many neutrons does it have?
💡 Hint: Use the formula: Mass Number = Protons + Neutrons.
Question 2
Determine the valency of magnesium, given it has 12 protons and its outer shell can hold 2 electrons.
💡 Hint: Consider how many electrons it needs to lose or gain to achieve a stable octet.
Challenge and get performance evaluation