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Which two groups of elements in the periodic table are the most reactive?

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  1. The Halogens and the Alkali Metals.

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  2. 1. alkali metals and halogens
    2. They have the same number of valence electrons.
    3. They usually have high melting points.
    4. low or no reactivity
    5. 17
    Hope this helps :)

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  3. ty @Call me anything

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  4. Thx @Call me anything 100%

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  5. Thanks @Call me anything this really helped! :D

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  6. 100% thenks

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  7. . . . 1 0 0 % r i g h t , t h a n k s .

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  8. thax

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  9. lol

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  10. Thanks my check against your checked out!

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