Structure of Atom ā Aufbau, Pauli, Hund's Rules, Electronic Configuration
Chemistry Ā· Grade 11 Ā· Week 6 Ā· 25 questions
This Grade 11 chemistry chapter on Structure of Atom introduces Aufbau, Pauli, Hund's Rules, and Electronic Configuration. These fundamentals show up repeatedly in NCERT exemplar problems and board questions.
What you'll practise
- Identify Aufbau
- Explain Pauli
- State and apply Hund's Rules
- Apply structure of atom concepts to NCERT exercise and exemplar problems
All 25 questions in this Structure of Atom ā Aufbau, Pauli, Hund's Rules, Electronic Configuration quiz
Grade 11 Chemistry ā Structure of Atom ā Aufbau, Pauli, Hund's Rules, Electronic Configuration: 25 practice questions with instant scoring and explanations.
- Aufbau principle states electrons fill:
- Order of filling: 4s vs 3d:
- Pauli's exclusion principle states:
- Maximum electrons per orbital:
- Hund's rule of maximum multiplicity:
- Electronic configuration of N (Z=7):
- Electronic configuration of O (Z=8):
- Electronic configuration of Na (Z=11):
- Electronic configuration of Cr (Z=24) (actual):
- Electronic configuration of Cu (Z=29) (actual):
- Why is [Ar] 3dāµ 4sĀ¹ more stable than [Ar] 3dā“ 4sĀ²:
- Cu: 3dĀ¹ā°4sĀ¹ is more stable due to:
- Fe (Z=26) configuration:
- Zn (Z=30) configuration:
- Number of unpaired electrons in FeĀ²āŗ ([Ar] 3dā¶):
- Number of unpaired electrons in MnĀ²āŗ ([Ar] 3dāµ):
- Ground state configuration of carbon (Z=6):
- Stability order: half-filled, fully-filled subshells are:
- Electron spin generates:
- Magnetic moment Ī¼ = ā[n(n+2)] BM, where n is:
- (n+l) rule: 4s and 3d ā which has lower (n+l)?
- A paramagnetic species has:
- Diamagnetic species have:
- Noble gas configuration of Ar:
- Shorthand (core) notation uses the:
Question 1 of 250 correct so far