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Chemical Families in the Periodic Table: Properties and Reactivity

Explore the characteristics of different groups in the periodic table, from highly reactive Alkali metals to noble gases. Learn about their unique properties, reactivity levels, and applications in chemistry. Discover which group contains the most reactive metals, non-metals, and nonreactive elements.

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Chemical Families in the Periodic Table: Properties and Reactivity

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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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