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A short film looking at the alkali metals and their reactivity, presented by Dr Kay Stephenson, Royal Society of Chemistry.
Part 1 (1977): A descriptive account of the table together with an elementary account of the arrangement of electrons in the different elements. Parts 2 & 3 (1976): An account based on the vector model of...
The concept of orbital angular momentum is introduced as an added property of the electron, and an energy state diagram of an alkali metal used to interpret the four spectral series observed for each metal.
Introduces the double splitting of the Sharp and Principal series. Examines the electron in terms of its spin and orbital angular momenta. Evaluates the resultant. Presents the new energy state diagram and...
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