alleryWhich two members of Group 17 are radioactive?
AAstatine, tennessine
BFluorine, chlorine
CBromine, iodine
DChlorine, bromine
Answer & Solution
Correct answer: A. Astatine, tennessine
1. The heaviest members of the group are unstable.
2. They sit at the bottom of the column.
3. They are astatine and tennessine.
_Source: syllabus Chemistry, Chapter 7, The p-Block Elements._
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