Practice ATOMIC NUMBER - 4.5.1 | 4. Structure of the Atom | CBSE 9 Science
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

ATOMIC NUMBER

4.5.1 - ATOMIC NUMBER

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.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the atomic number of oxygen?

💡 Hint: Refer to the periodic table.

Question 2 Easy

Define isotopes.

💡 Hint: Think about elements with varied neutron counts.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the atomic number of fluorine?

9
18
8

💡 Hint: Refer to the periodic table.

Question 2

True or False: All isotopes of an element behave chemically the same.

True
False

💡 Hint: Consider the definition of isotopes.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Calculate the atomic number and mass number for an atom with 12 protons and 10 neutrons.

💡 Hint: Use the definitions of atomic and mass numbers.

Challenge 2 Hard

Explain why isotopes have similar chemical properties but different physical properties, providing examples.

💡 Hint: Focus on the structure of atoms for chemical behavior.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.