Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
How many protons does an atom of neon have?
💡 Hint: Look up the atomic number of neon.
Question 2
Easy
What is the mass number of a carbon atom that has 6 protons and 6 neutrons?
💡 Hint: Add the number of protons and neutrons.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the atomic number represent?
💡 Hint: It's unique to each element.
Question 2
Mass number is equal to:
💡 Hint: Think about the definition of mass number.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
An isotope of oxygen has a mass number of 18 and an atomic number of 8. How many neutrons does this isotope have?
💡 Hint: Remember that the mass number is the sum of protons and neutrons.
Question 2
If an element has 11 protons and 12 neutrons, identify its atomic number and mass number.
💡 Hint: Atomic number equals the number of protons.
Challenge and get performance evaluation