Chemistry 3.0 / 5 based on 1 rating ? ChemistryGCSECCEA Created on: 08-11-12 20:34 Whats Diffusion? Diffusion is the spreading out of one substance through another of its own accord 1 of 9 How many stable elements are there? 92 2 of 9 what doesnt diffusion occur in? solids 3 of 9 Is Diffusion faster in liquids or gases? gases 4 of 9 whats a compound? contains atoms of two or more different elements chemically bonded together 5 of 9 what is the number of electron allowed on each shell? 2,8,8,18 6 of 9 whats the atomic number? number of neutrons in the nucleus 7 of 9 whats the mass number the total number of protons and neutrons in the nucleus 8 of 9 whats a atom smallest part of an element 9 of 9
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