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Questions and Answers
Which of the following is a defining characteristic of halogens?
Which of the following is a defining characteristic of halogens?
- They have eight valence electrons
- They have five valence electrons
- They have six valence electrons
- They have seven valence electrons (correct)
Which halogen is the most electronegative and reactive element in the group?
Which halogen is the most electronegative and reactive element in the group?
- Iodine
- Bromine
- Fluorine (correct)
- Chlorine
What is the unique property exhibited by halogens that involves the replacement of hydrogen atoms in organic compounds with halogen atoms?
What is the unique property exhibited by halogens that involves the replacement of hydrogen atoms in organic compounds with halogen atoms?
- Reduction
- Halogenation (correct)
- Oxidation
- Hydrogenation
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Study Notes
Defining Characteristic of Halogens
- Reactivity: Halogens are characterized by their high reactivity, which is a defining characteristic of the group.
Electronegativity and Reactivity
- Most Electronegative and Reactive Element: Fluorine (F) is the most electronegative and reactive element in the halogen group.
Halogenation
- Unique Property: Halogens exhibit a unique property of replacing hydrogen atoms in organic compounds with halogen atoms, a process known as halogenation.
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