ocr: 6. Half Life: Description The 128 coloured discs below represent Time (seconds): 3 the nuclei of 128 atoms of a racicactive material. There is a chance that at any Number of original atoms: 112 moment any one of the nuclei will Number of changed atoms: 16 emitting spontaneously a nucear change particle. (or decay) However, by we Number of halt-aves: don't know which nuceuswill decay Page 1010 00000 BD - 1. Atoms - - - - - b, Atom 2. Half Life Bunding - - . D 5. 3. - - Rve Decay Seres Decay - - - sotopes Half Life Start/Stop 20 Restart
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