IP Chemistry Upper Sec 03: Chemical Bonding and Structure

These notes align with SEAB GCE O-Level Chemistry (6092) content used in IP programmes (exams from 2026).

Status: SEAB O-Level Chemistry 6092 syllabus (exams from 2026) checked 2025-11-30 - scope unchanged; remains the reference for this note.

What you must know

• Ionic bonding: electron transfer to form ions with noble gas configuration; strong electrostatic attraction between oppositely charged ions in a giant ionic lattice.
• Covalent bonding: electron sharing between non-metals; draw dot-and-cross for $\ce{H2}$, $\ce{O2}$