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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the smallest particle of an element?
💡 Hint: Think about what defines an element.
Question 2
Easy
What is the charge of a proton?
💡 Hint: Consider the electrical nature of particles.
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 defines the atomic number of an element?
- Neutron
- Proton
- Electron
💡 Hint: Think about which particle's count identifies the element.
Question 2
Isotopes are defined as atoms of the same element that have...
- True
- False
💡 Hint: Recall what isotopes share and what distinguishes them.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a hypothetical element with 15 protons and 18 neutrons, what is its atomic number and mass number? Also, mention its identity.
💡 Hint: Count the protons for atomic number and add protons and neutrons for mass number.
Question 2
If an isotope of Boron has a mass number of 11 and contains 5 protons, how many neutrons does it have? What does this imply about its properties?
💡 Hint: Use the mass number formula for your calculation.
Challenge and get performance evaluation