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Courses

Teacher-curated, self-paced courses. Looking for a guided sequence through a full topic? See Learning Paths.

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1 course
Ionic and Covalent Bonds
Chemistry · High School (11–12) · Lewis Structures and Ionic Bonds, Shapes of Molecules and Hybridisation
FreeCh 4 · 1/4

The octet rule and Lewis structures, formal charge and its limits, the ionic bond and lattice enthalpy, and the bond length, angle, enthalpy and order that describe any bond.

3Lessons11Problems2Python Labs1Question Set1Mock Test
StemPy LabStemPy Lab
Chemical Bonding: Challenge Practice
Chemistry · High School (11–12) · Lewis Structures and Ionic Bonds
StandardFirst lesson freeExtra course

The hard questions of the chapter: dipole moments and molecular shape, tricky Lewis structures and formal charges, back bonding and bridges, and comparing bond lengths and energies, with a full paper.

3Lessons11Problems2Python Labs1Question Set1Mock Test
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