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 is the mass number of an atom with 10 protons and 12 neutrons?
💡 Hint: Add the number of protons and neutrons together.
Question 2
Easy
If an element has an atomic number of 6 and a mass number of 14, how many neutrons does it have?
💡 Hint: Use the formula: Mass Number - Atomic Number.
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 number of Carbon-14?
- 12
- 14
- 16
💡 Hint: Remember the relationship between protons, neutrons, and mass number.
Question 2
True or False: Isotopes have different atomic numbers.
- True
- False
💡 Hint: Recall the definition of isotopes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
An atom has 20 protons and 25 neutrons. What is its mass number, and is it an isotope?
💡 Hint: Calculate the total and check if it compares with another element.
Question 2
Research and present on a specific isotope's applications in medicine. What is its mass number and how does it help?
💡 Hint: Focus on the element and the applications surrounding isotopes.
Challenge and get performance evaluation