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The top documents tagged [diatomic gases slide]
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1 Choose An Element…. 2 Smoke Particles If a cell containing smoke is observed through a microscope; the smoke particles are seen to move around erratically
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Periodic table Groups – Columns down Alkali Metals Alkaline Earth Metals Halogens Noble gases Periods – Rows across Lanthanides Actinides Groups – Columns
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Chapter 3 Atoms and the Periodic Table. Reactivity Groups reactivity METALS As orbits are added the electrons move further away from nucleus and become
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