Revision – Basic Concepts & Atomic Structure
Chemistry · Grade 11 · Week 43 · 25 questions
This Grade 11 chemistry chapter on Revision introduces Basic Concepts & Atomic Structure. Clear understanding here pays off in competitive exams (JEE/NEET) where speed matters.
What you'll practise
- Identify Basic Concepts & Atomic Structure
- Work through NCERT intext examples and exercise questions for revision
- Apply revision concepts to NCERT exercise and exemplar problems
All 25 questions in this Revision – Basic Concepts & Atomic Structure quiz
Grade 11 Chemistry — Revision – Basic Concepts & Atomic Structure: 25 practice questions with instant scoring and explanations.
- Mole concept: 1 mole =
- Avogadro's number is defined by the number of atoms in:
- Molar mass of water:
- Molarity (M) =
- Molality (m) =
- Mole fraction (X_A) =
- Normality (N) × equivalent mass =
- Empirical formula represents:
- For C₂H₄ empirical formula is:
- Stoichiometry is based on:
- Limiting reagent:
- % yield = ?
- Cathode rays are:
- Charge of electron:
- Mass of electron:
- Proton mass:
- Isotopes have same Z but:
- Isobars have:
- Bohr radius (n=1, H):
- Energy of H (n=1):
- Photoelectric effect proves:
- De Broglie wavelength:
- Heisenberg uncertainty: Δx·Δp ≥
- Number of orbitals in f subshell:
- Maximum electrons in M-shell (n=3):
Question 1 of 250 correct so far