Representative Elements

Groups 1 and 2

• Groups 1 and 2 elements are always combined with other elements.

• The elements in Groups 1 and 2 are all metals except for hydrogen.

• Alkaline earth metals are not as active as the alkali metals.

Groups 13–18

•With Groups 13–18, a single group can contain metals, nonmetals, and metalloids.

• Nitrogen and phosphorus are required by living things.

• The halogen group will form salts with alkali metals.


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