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Which of the following pairs of elements would have the most similar chemical properties?
A.Boron (B) and Fluorine (F) B.Hydrogen (H) and Helium (He) C.Beryllium (Be) and Magnesium (Mg) D.Carbon (C) and Oxygen (O)

  • Science -

    I have tried to answer this a couple times but cant figure out what the answer is. :(

  • Science -

    C. Both are in periodic table column II
    They have two valence electrons

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