The Periodic Table

Unit 5

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General Properties of Groups

1. Alkali Metals• Soft metals• Very reactive

(especially with water)

• Not found in nature in pure form Alkali Metals and Water

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General Properties of Groups

2. Alkaline Earth Metals• soft metals• reactive (less so)• not found in

nature

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General Properties of Groups

13-16. “Element” Family names

• Wide variety of properties

• Metals, semi-metals, nonmetals

• Solids and gases

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General Properties of Groups

17. Halogens• Most reactive

nonmetals• Solids, liquid, gases

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General Properties of Groups

18. Noble Gases• Very unreactive• Colorless• Odorless

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General Properties of Groups

3-12. Transition Metals• Reactive relative

calmness• Compounds brightly

colored• Used for pigments• Like cobalt blue,

titanium white, cadmium yellow