Atomic Structure and Properties

Moles, atomic structure, electron configuration, and periodic trends

This section contains 4 topics with 0 subtopics, 12 practice problems and 31 flashcards. Each topic includes comprehensive written notes, worked examples with detailed solutions, and interactive lessons for hands-on practice.

Topics Covered

• Moles and Molar Mass — Understand the mole concept, Avogadro's number, and how to calculate molar mass and convert between mass, moles, and particles.
• Atomic Structure and Electron Configuration — Learn about subatomic particles, energy levels, orbitals, and how to write electron configurations for atoms and ions.
• Periodic Trends — Understand and predict trends in atomic radius, ionization energy, electron affinity, and electronegativity across the periodic table.
• Photoelectron Spectroscopy (PES) — Interpret PES data to determine electron configurations, identify elements, and understand relative energies of electrons in different orbitals.

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