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Year 9 CHEMISTRY

Year 9 CHEMISTRY. Group 1- Alkali metals. Highly reactive Low melting points and boiling points Light Soft E.g. Cs. Group 2- Alkaline earth metals. Very reactive (but less than Alkali metals) Light Soft (but stronger and denser than Alkali metals) E.g Mg. Transition metals.

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Year 9 CHEMISTRY

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  1. Year 9 CHEMISTRY

  2. Group 1- Alkali metals • Highly reactive • Low melting points and boiling points • Light • Soft • E.g. Cs

  3. Group 2- Alkaline earth metals • Very reactive (but less than Alkali metals) • Light • Soft • (but stronger and denser than Alkali metals) • E.g Mg

  4. Transition metals • Less reactive than Alkali and Alkaline earth metals but vary in reactivity. • E.g. Au

  5. Group 7- Halogens Can be extremely dangerous. Very reactive non-metals

  6. Group 8- Noble gases • Relatively non-reactive • Low boiling points • Gases at room temperature

  7. Questions • What group has the most reactive metals? • What group has the most reactive non-metals? • Which group is nonreactive?

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