Structure of Atom — Important Questions
CBSE · Class 11 · Chemistry
163 important questions from Structure of Atom for CBSE Class 11 Chemistry, with answers. Covers Quantum Numbers, Orbitals.
Interactive on Super Tutor
Studying Structure of Atom? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for important questions and more.
Free trial, no card needed.
Important Questions from Structure of Atom
What is the charge of an electron?
Show answer
-1.602 × 10⁻¹⁹ C
The electron carries a negative charge of -1.602 × 10⁻¹⁹ coulombs, as determined by R.A. Millikan's oil drop experiment.
In Bohr's atomic model, what determines the energy of an electron?
Show answer
Principal quantum number
In Bohr's model of the hydrogen atom, the energy of an electron is determined solely by its principal quantum number (n).
What is the maximum number of electrons in the first shell (K shell)?
Show answer
2
The first shell (K shell) can accommodate a maximum of 2 electrons, following the formula 2n², where n is the principal quantum number.
Who proposed the uncertainty principle?
Show answer
Werner Heisenberg
Werner Heisenberg proposed the uncertainty principle in 1927, stating that it is impossible to simultaneously determine the exact position and momentum of an electron.
+159 more questions on Structure of Atom (CBSE Class 11 Chemistry)
Practise AllFrequently Asked Questions
What are the important topics in Structure of Atom for CBSE Class 11 Chemistry?
How many important questions are there in Structure of Atom?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Structure of Atom
Practice Quiz
Test yourself with a quick quiz
Revision Notes
Key points for last-minute revision
Formula Sheet
The chapter's formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect
Study Plan
Step-by-step plan for 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 Structure of Atom chapter — start free.
Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 11 Chemistry. Free to start, no card needed.