Practice HOW DO ATOMS EXIST - 3.2.3 | 3. Atoms and Molecules | CBSE 9 Science
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HOW DO ATOMS EXIST

3.2.3 - HOW DO ATOMS EXIST

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define an atom.

💡 Hint: Think about the basic building block of matter.

Question 2 Easy

What is a molecule?

💡 Hint: Consider how water is made up of hydrogen and oxygen.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is an ion?

A neutral atom
A charged atom
An unstable molecule

💡 Hint: Consider what happens to electrons.

Question 2

True or False: All atoms can exist independently in nature.

True
False

💡 Hint: Think about how atoms interact to form molecules.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how the presence of ions in a solution affects its conductivity. Provide an example.

💡 Hint: Consider the role of charged particles in electrical flow.

Challenge 2 Hard

A molecule of ethylene (C₂H₄) consists of how many atoms in total? Explain your calculations.

💡 Hint: Remember to count all participating atoms in the molecule.

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