Practice Representation of an Atom - 4.8 | Chapter 4: Atomic Structure | ICSE Class 8 Chemistry
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does X represent in ₐᴬX notation?

πŸ’‘ Hint: Think about the list of chemical symbols.

Question 2

Easy

What does A indicate in the notation?

πŸ’‘ Hint: Recall what mass number includes.

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 does A represent in atomic notation?

  • Atomic number
  • Mass number
  • Element symbol

πŸ’‘ Hint: Think about what A counts in the atom.

Question 2

True or False: The atomic number and the number of protons in an atom are the same.

  • True
  • False

πŸ’‘ Hint: Recall the definition of atomic number.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If an atom has 20 protons and 22 neutrons, what is its atomic notation, and which element is it?

πŸ’‘ Hint: Use number of protons for atomic number and add neutrons for mass number.

Question 2

Given nitrogen has 7 protons and an isotope with 8 neutrons, what is its representation?

πŸ’‘ Hint: Use the neutron count to calculate the mass number.

Challenge and get performance evaluation