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Chemical Ideas 2.1 A Simple model of the atom. Chemical Ideas 2.2 . Radioactivity. β. α. Storyline EL1. Where do the chemical elements come from?. γ. Chemical Ideas 2.3 Electronic structure. Chemical Ideas 6.1 Light and electons. +. +. +. +. +. +. +. +. -. -. +. -. +. +.
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Chemical Ideas 2.1 A Simple model of the atom. Chemical Ideas 2.2. Radioactivity. β α Storyline EL1. Where do the chemical elements come from? γ Chemical Ideas 2.3 Electronic structure. Chemical Ideas 6.1 Light and electons.
+ + + + + + + + - - + - + + - - + EL 2 The molecules of life.