• Chemistry
  • Year 11

Atomic Structure and Atomic Mass

approx. 9 hrs

10 topics

104 concepts

Enhance your understanding of atomic structure and be well prepared for Year 12 Chemistry. 

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The Year 11 Atomic Structure and Atomic Mass program is aligned to the New South Wales Chemistry curriculum within Module 1: Properties and Structure of Matter. This topic explores models of the atom (including Rutherford, Bohr and Schrödinger), atomic structure and notation, isotopes and relative atomic mass, electron configurations using spdf notation and radioactivity.

Topics & Concepts We Cover

This learning program is made up of the following 10 topics, broken down into 104 concepts.

  • Radioactivity 24 concepts

    1. Applications of Radioisotopes

    2. Comparing Radioisotopes from Reactors and Cyclotrons

    3. Decay Series

    4. Chemical Stability vs. Nuclear Stability

    5. Radioisotopes

    6. The Proton:Neutron Ratio

    7. Limits of Nuclear Stability

    8. Synthesis of Radioisotopes: Nuclear Reactors

    9. Synthesis of Radioisotopes: Cycloctrons

    10. Transuranic Elements

    11. Radioactive Decay

    12. Alpha Decay

    13. Beta Decay: Electron Emission

    14. Beta Decay: Positron Emission

    15. Gamma Decay

    16. Writing Balanced Nuclear Equations

    17. Chemical Change vs. Nuclear Change

    18. Representing Nuclei with Chemical Symbols

    19. Types of Radiation: Alpha Particles

    20. Types of Radiation: Beta Particles

    21. Types of Radiation: Gamma Rays

    22. Distinguishing Types of Radiation

    23. Penetrating Strength

    24. Radioactive Elements

  • Bohr Model 14 concepts

    1. Electromagnetic Spectrum

    2. Absorption Spectrum

    3. Line Spectra

    4. Ground And Excited States: How the Bohr Model explains Line Spectra

    5. Limitations of the Bohr Model

    6. Electromagnetic Radiation

    7. Flame Tests

    8. Explaining Colour from Flame Tests

    9. Continuous Spectrum

    10. Line Spectra

    11. Problems with Rutherford's Planetary Model

    12. Postulates of the Bohr Model: Discrete Energy Levels (Orbits)

    13. Features of the Bohr Model

    14. Three Series of Spectral Lines for Hydrogen Atoms

  • Quantum Theory and Orbitals 14 concepts

    1. Levels, Shells

    2. Subshells

    3. Atomic Orbitals

    4. Order of Filling Orbitals

    5. s Orbitals

    6. p Orbitals

    7. d Orbitals

    8. f Orbitals

    9. From Classical Theory to Quantum Theory

    10. Quantum Mechanics

    11. The Shape of Orbitals

    12. Wave Function

    13. Solutions To Schrödinger Equation (Atomic Orbitals)

    14. Difference Between Orbits And Orbitals

  • Electron Configuration 13 concepts

    1. Aufbau Principle

    2. Ground State Electron Configuration

    3. Orbital Diagram

    4. Partial Orbital Diagram

    5. Periods 1 And 2

    6. Hund's Rule

    7. Period 3

    8. Period 4

    9. Chromium and Copper Exceptions

    10. Valence Electrons (Configurations Within Groups)

    11. Quantum Mechanics and the Periodic Table

    12. Viewing s, p, d, f Blocks

    13. Pauli Exclusion Principle

  • Atom Notation 5 concepts

    1. Atom Notation

    2. Atomic Number (Z)

    3. Mass Number (A)

    4. Atomic Symbol

    5. Determining the Number of Subatomic Particles from Atom Notation

  • Isotopes 6 concepts

    1. Isotopes

    2. Relative Atomic Mass

    3. Calculating Relative Atomic Mass

    4. Calculating Isotopic Abundance

    5. Measuring Isotopic Abundance

    6. Calculating Relative Atomic Mass from a Mass Spectrum

  • Electron Structure 5 concepts

    1. Maximum Number of Electrons per Shell

    2. Electronic Structure of Neutral Atoms

    3. Electron Shells

    4. Electronic Structure of Atoms within a Group

    5. Determining Electron Structure from Position on Periodic of Table

  • Ions 9 concepts

    1. Symbolic Representation

    2. Chemical Stability

    3. Octet Rule

    4. Native Elements

    5. Imbalance Protons of Electrons

    6. Anions and Cations

    7. Valency

    8. Chemical Stability vs. Nuclear Stability

    9. Common Monatomic Ions

  • Structure of the Atom 13 concepts

    1. Atomic Mass Unit

    2. The Reason for Using Carbon-12 as an Atomic Standard

    3. The Mutating Model of the Atom

    4. Cathode Ray Tubes

    5. Discovery of Electrons

    6. Thompson's Plum Pudding Model

    7. Rutherford's Gold Foil Experiment

    8. Discovery of the Nucleus

    9. Planetary Model of the Atom

    10. Structure of the Atom

    11. Scale of the Nucleus

    12. Subatomic Particles

    13. Mass and Charge of Subatomic Particles

  • Resource: Periodic Table 1 concept

    1. The Periodic Table

What you'll get

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  • All the content required to help you master the syllabus, including theory, worked examples, exam preparation and practice questions

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  • Access information at every stage showing what's been mastered, what areas need to be worked on and what's next
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