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Metallic bonding in IB Chemistry Structure 2.3
IB Chemistry Structure 2.3 metallic model explained: electron sea, lattice strength, and the four properties that decide your Paper 1 and Paper 2 mark band.
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IB guides, IA / EE notes and exam strategies
From Internal Assessment and Extended Essay examples to HL/SL course guides, we share content here that makes the IB Diploma Programme journey easier.
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IB3 min read
Why IB Chemistry Structure 2.2 needs a diagram-first answer style
IB Chemistry Structure 2.2 covalent model explained: Lewis structures, resonance, VSEPR, and how to write diagram-first answers that reach the 7 band.
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Why a 7 in IB Chemistry bonding begins with notation discipline
Mg2+ not Mg++, brackets on polyatomic ions, and the transfer arrow examiners look for. Drill NaCl, MgO and CaCl2 until the diagram is automatic.
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5 ideal gas question families that decide a 5 from a 6
Master IB Chemistry Structure 1.5 ideal gases with worked gas law examples, Paper 1 question families, and a 6-step preparation strategy for SL and HL candidates.
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5 IB Chemistry mole question types that decide a 5 from a 7
IB Chemistry Structure 1.4 explained: how to handle mole, Avogadro, mass, and volume calculations in Paper 1 and Paper 2 without losing rubric marks.
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How IB Chemistry Structure 1.3 electron configurations score
Master IB Chemistry Structure 1.3 electron configurations for Paper 1. Learn the five sub-orbital rules, notation styles, and transition-metal exceptions that decide a 7.
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How to score a 7 in IB Chemistry Structure 1.2
IB Chemistry Structure 1.2 masterclass: isotopes, mass spectra, and atomic notation explained with Paper 1 question types, exam tactics, and scoring thresholds for a 7.
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How to write IB Chemistry Structure 1.1 answers that score
IB Chemistry Structure 1.1 explained: definitions, atomic-scale distinctions, and answer habits that move SL and HL candidates from a 4 to a 7 in Paper 1.
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Why a 7 in IB Chemistry Reactivity 3 depends on mechanism choice
Master IB Chemistry Reactivity 3 mechanisms: arrow pushing, SN1 SN2 E1 E2 pathways, electrophilic addition scoring, and HL-only elimination questions on Paper 2.
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