Chemical Bonding – Covalent Bond, Lewis Structures, Formal Charge
Chemistry · Grade 11 · Week 10 · 25 questions
This Grade 11 chemistry chapter on Chemical Bonding introduces Covalent Bond, Lewis Structures, and Formal Charge. A strong base in these ideas makes organic, inorganic, and physical chemistry much more approachable later.
What you'll practise
- Identify Covalent Bond
- Describe Lewis Structures
- Predict Formal Charge
- Apply chemical bonding concepts to NCERT exercise and exemplar problems
All 25 questions in this Chemical Bonding – Covalent Bond, Lewis Structures, Formal Charge quiz
Grade 11 Chemistry — Chemical Bonding – Covalent Bond, Lewis Structures, Formal Charge: 25 practice questions with instant scoring and explanations.
- Covalent bond is formed by:
- Octet rule states atoms tend to have:
- Lewis symbol shows:
- Number of valence electrons in N:
- Lewis structure of H₂O has:
- Lewis structure of NH₃ has:
- Number of covalent bonds in CO₂:
- Number of bonds in N₂:
- Single bond consists of:
- Double bond consists of:
- Triple bond consists of:
- Bond order for N₂:
- Formal charge formula: FC =
- Formal charge on C in CO₂ is:
- Formal charge on O in ozone O₃ central atom:
- Exception to octet rule — incomplete octet:
- Exception — expanded octet:
- Exception — odd electron species:
- Resonance structures differ only in:
- Resonance hybrid is:
- Resonance in benzene gives it:
- Number of resonance structures of CO₃²⁻:
- Bond length order: C−C, C=C, C≡C:
- Bond energy order: C−C, C=C, C≡C:
- A coordinate (dative) bond is:
Question 1 of 250 correct so far