# Journey Inside the Atom Important Questions and Practice Set with Answers | NCERT Class 9 Science | SwaVid

Chapter 8, "Journey Inside the Atom", takes us on an exciting exploration into the fundamental building blocks of matter. This chapter delves into the d...

Canonical: https://swavid.com/science/class/9/chapter/journey-inside-the-atom/practice-questions

Source: https://swavid.com/science/class/9/chapter/journey-inside-the-atom/practice-questions

# Journey Inside the Atom

## Which subatomic particle was discovered by J.J. Thomson?

## Find the gaps before this chapter finds them for you.

## Related chapters

Chapter 8 · Class 9 Science

Chapter 8, "Journey Inside the Atom", takes us on an exciting exploration into the fundamental building blocks of matter. This chapter delves into the discoveries of subatomic particles like electrons, protons, and neutrons, and traces the evolution of atomic models from Thomson's 'plum pudding' to Rutherford's nuclear model and finally Bohr's more stable atomic structure. Understanding how electrons are distributed in different orbits, the concept of valency, and the definitions of atomic number, mass number, isotopes, and isobars are crucial for grasping the chemical behavior of elements. This journey provides the foundational knowledge for understanding chemistry and the nature of matter around us.

Your study route

Multiple Choice Questions · 1 / 15

Before you push ahead

Most stuck chapters trace back to one earlier idea. Check the prerequisites first, or let SwaVid adapt this chapter to the way your child learns.

Keep exploring Class 9

Source

- NCERT Class 9 Science textbook: Exploration : Chapter 8: Journey Inside the Atom

## Key Links

- [NCERT Science](https://swavid.com/science)
- [Class 9](https://swavid.com/science/class/9)
- [Start with concepts](https://swavid.com/science/class/9/chapter/journey-inside-the-atom)
- [Check a prerequisite](https://swavid.com/learning-debt-identifier)
- [Concepts](https://swavid.com/science/class/9/chapter/journey-inside-the-atom)
- [Practice](https://swavid.com/science/class/9/chapter/journey-inside-the-atom/practice-questions)
- [NCERT Solutions](https://swavid.com/science/class/9/chapter/journey-inside-the-atom/ncert-solutions)
- [Find the gaps before this chapter](https://swavid.com/learning-debt-identifier)
- [Learn this chapter adapted to you](https://swavid.com/learning-style-test)
- [Previous chapter 7 . Work, Energy, and Simple Machines](https://swavid.com/science/class/9/chapter/work-energy-and-simple-machines)
- [Next chapter 9 . Atomic Foundations of Matter](https://swavid.com/science/class/9/chapter/atomic-foundations-of-matter)
- [All Class 9 chapters](https://swavid.com/science/class/9)
- [7 Work, Energy, and Simple Machines Work Done by a Force · Energy: Forms and Transformations Open chapter](https://swavid.com/science/class/9/chapter/work-energy-and-simple-machines)
- [9 Atomic Foundations of Matter Dalton's Atomic Theory · Laws of Chemical Combination Open chapter](https://swavid.com/science/class/9/chapter/atomic-foundations-of-matter)
- [6 How Forces Affect Motion Force and Its Effects · Galileo's Observations and Inertia Open chapter](https://swavid.com/science/class/9/chapter/how-forces-affect-motion)
- [NCERT Class 9 Science textbook: Exploration](https://ncert.nic.in/textbook.php)