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3. Which two groups of elements are found on the left of the periodic table? What are their most important properties?
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3. Which two groups of elements are found on the left of the periodic table? What are their most important properties?

User Jorge Kunrath
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The first two groups are the Alkali Metals and the Alkaline Earth Metals.


These are fairly reactive and they both have properties of metals.
User Quolonel Questions
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