IB3 min read
7 functional-group traps in IB Chemistry Structure 3.2
Reading an ester as a ketone, an ether as an alcohol, missing a chiral centre: the naming and drawing errors that cost marks in Paper 1 and Paper 2.
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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.
Posts: page 7
IB3 min read
Why bonding models break down at the material boundary in IB
IB Chemistry Structure 2.4 walks from bonding models to bulk material properties. Learn the seven question families and marking logic that decide a 6 from a 7.
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IB Chemistry Structure 3.1
Groups are numbered 1, 2 and 13-18 in Data Booklet section 5, and the mark scheme keys on that: group 1 alkali, 17 halogens, 18 noble gases.
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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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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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