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Topic 2 - Atomic Structure (2.2 Electron configuration (The quantum…
Topic 2 - Atomic Structure
2.1 The nuclear atom
Background to atomic theory
Dalton's atomic theory
Thomson's "plum-pudding" model
Rutherford's gold foil experiment
The scale of the atom
Subatomic particles and descriptions of the atom
Subatomic particles
Proton
Neutron
Electron
Descriptions of the atom
Atomic number (Z)
Mass number (A)
The nuclear symbol
Radioisotopes
Iodine radioisotopes
Iodine-131 and Iodine-125 are used as medical tracers
Cobalt-60
Used in radiotherapy to treat cancer
Carbon-14
Used in radioactive clocks to date cosmic, geological and archaeological matter
The Shroud of Turin
Relative atomic mass
Mass spectrometer
Stage 1: Vaporization
Stage 2: Ionization
Stage 3: Acceleration
Stage 4: Deflection
Stage 5: Detection
Unified atomic mass unit (amu)
2.2 Electron configuration
The electromagnetic spectrum
Emission spectra and Bohr's theory of the hydrogen atom
Quantization of energy
Quantization and atomic structure
The quantum mechanical model of the atom
Heisenberg's uncertainty principle
The s atomic orbital
The p atomic orbital
Writing electron configurations
Exceptions
Chromium
Copper