IB Hub Structure 1
S1

Models of the Particulate Nature of Matter

Atoms, electrons, moles, and gases — the foundations of Chemistry.

1.1 Particulate Nature

Elements, compounds, mixtures, KMT, and temperature.

1.2 The Nuclear Atom

Protons, neutrons, electrons, isotopes, mass spectrometry.

1.3 Electron Configurations

Spectra, energy levels, orbitals, Aufbau, ionization energy.

1.4 Stoichiometry (The Mole)

Moles, reacting masses, formulas, solutions, gas volumes.

1.5 Ideal Gases

Gas assumptions, real gas deviations, PV = nRT.

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