Soru
What group can alkali metals pair with in a 1:1 ratio? A. the oxygen group B. halogens C. alkaline earthmetals D. transition metals
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Kıdemli · 12 yıl öğretmeni
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Cevap
lkali metals can pair with halogens in a 1:1 ratio. This is because alkali metals have one valence electron that they readily lose to form a +1 ion, while halogens have seven valence electrons and need one more to complete their octet, forming a -1 ion. The resulting compound is neutral and stable.So the correct answer is:B. halogens