Question

A compound containing two instances of this heteroatom is the prototypical exemplar of the gauche effect. A compound of antimony, hydrogen, and this element forms the strongest known superacid. (15[3])Atoms of this element attached to an alkyl chain are often known as “forever chemicals.” (15[1])This (15[1])element (15[1])bonds to two carbon atoms in the repeating polymer structure for (*) Teflon. (10[1])This element (10[1])has the highest value on the Pauling scale, meaning it is the most electronegative. (10[1]-5[1])This element’s anion can be added to water to prevent tooth decay. For 10 points, name this halogen with atomic number 9 and chemical symbol F. ■END■ (10[1])

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