Practice Atomic Size (Radius) - 5.6.1 | 5. The Periodic Table | ICSE Class 9 Chemistry
K12 Students

Academics

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

Academics
Professionals

Professional Courses

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

Professional Courses
Games

Interactive Games

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

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to atomic size as you move across a period?

💡 Hint: Think about what happens to nuclear charge and electron distance.

Question 2

Easy

What happens to atomic size as you move down a group?

💡 Hint: Consider how many layers of electrons each element has.

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 trend of atomic size across a period?

  • Increases
  • Decreases
  • Stays the same

💡 Hint: Remember the effect of protons on atomic size.

Question 2

True or False: Atomic size increases down a group.

  • True
  • False

💡 Hint: Consider how more layers affect size.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Analyze how the atomic radius of elements like sodium (Na) and potassium (K) affects their chemical properties and reactions.

💡 Hint: Consider the distance of outer electrons from the nucleus.

Question 2

Evaluate the impact of atomic size on the covalent bond length in molecules such as HCl and HF.

💡 Hint: Remember how size influences closeness in atomic interactions.

Challenge and get performance evaluation