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30 April, 11:21

Beryllium (Be) and fluorine (F) combine to make the compound BeF2. What is the chemical name for this compound?

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Answers (2)
  1. 30 April, 12:44
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    IUPAC name for BeF2 is beryllium difluoride

    Explanation:

    Beryllium (Be) belongs to group 2 i. e. the alkaline earth metals. The atomic number for Mg = 4. Valence electron configuration = 2s²

    Fluorine (F) belongs to group 17 in the periodic table. The atomic number for F = 8. Valence electron configuration = 2s²2p⁵

    Be being a metal shows a tendency to lose electrons. F, in contrast is highly electronegative i. e. it has a strong tendency to accept electrons. The valence electron configuration of F is such that it needs only 1 more electrons to complete its octet of 8 electrons.

    Therefore, when Be and F combine, Be will lose its outer 2 electrons to 2 atoms of F giving a neutral compound with a chemical formula BeF₂. Since one atom of Be combines with 2 atoms of F, the chemical name/IUPAC is beryllium difluoride. However, it is also referred as beryllium fluoride.
  2. 30 April, 13:40
    0
    Beryllium fluoride I believe is the correct answer
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