REPRESENTATIVE ELEMENTS Section 2

Section 2

REPRESENTATIVE ELEMENTS

What we'll learn?

? Recognize the properties of representative elements.

? Identify uses for the representative elements. ? Classify elements into groups based on similar

properties.

Why it's important?

Many representative elements play key roles in your body, your environment, and in the things you use everyday...

Vocabulary:

? Alkali metal ? Alkaline earth metal ? Semiconductor ? Halogen ? Noble gas

Groups 1 & 2

? Always found in combined w/ other elements. ? Active metals ? All metals except Hydrogen

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