S103 Discovering Science Diary

Block 7 (sections 1 - 5)

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27th March 2003

I've finished these few sections and didn't find it as bad as I had expected to find it. Bad enough - but not that bad! There follows a few snapshots for the cd-rom activity that I think important to note.

(Much more to follow)

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If the energy of an atom increases, it is absorbed
If the energy of an atom decreases, it is emitted

Photon energies are always positive

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Block 7: The quantum world (Sections 1 - 5). Contents Quantized energy Atoms and their spectra Quantum energies and photons The spectral fingerprint of hydrogen The energy of an atom Energy levels and transitions The energy levels of the hydrogen atom Energy levels in general Quantum indeterminacy Indeterminacy and probability The Rutherford model of the atom The Bohr model of the atom The Schrodinger model of the atom The lessons of indeterminacy Atomic structure Atoms and ions with single electron Atoms and ions with two electrons Atoms with three or more electrons Nuclear structure alpha-decay beta-decay gamma-decay