Atomic Structure
Telangana Open School (TOSS) · Class 12 · Chemistry
Practice quiz for Atomic Structure — Telangana Open School (TOSS) Class 12 Chemistry. MCQs and questions with answers to test your preparation.
Interactive on Super Tutor
Studying Atomic Structure? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for practice quiz and more.
1,000+ Class 12 students started this chapter today
Quick Quiz: Atomic Structure
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
Which of the following is a fundamental particle of an atom?
Who discovered the electron?
What is the relative charge of a proton?
Which particle has no charge?
Sample Questions
The mass of a proton is approximately how many times that of an electron?
Show answer
1840
The proton is approximately 1840 times heavier than the electron.
Which model is also known as the watermelon model?
Show answer
Thomson's model
Thomson's model is called the watermelon model because the positive charge is like the pulp and electrons like seeds.
In Thomson's model, where are the electrons located?
Show answer
Scattered in a positively charged sphere
Thomson proposed that electrons are embedded in a positively charged sphere like plums in a pudding.
What was the main aim of Rutherford's alpha-particle scattering experiment?
Show answer
To test Thomson's model
Rutherford performed the experiment to verify the structure of the atom as proposed by Thomson.
+40 more questions available
Practice AllFrequently Asked Questions
What are the important topics in Atomic Structure for Telangana Open School (TOSS) Class 12 Chemistry?
How to score full marks in Atomic Structure — Telangana Open School (TOSS) Class 12 Chemistry?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Atomic Structure
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Atomic Structure chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Chemistry.