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Year 9 CHEMISTRY.

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Presentation on theme: "Year 9 CHEMISTRY."— Presentation transcript:

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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