MCAS Chemistry Exam Practice

Category - Chemistry

Which of the following trends in the periodic table should be expected as the atomic number of the halogens increases from fluorine (F) to iodine (I)?
  1. Atomic radius decreases.
  2. Electronegativity decreases.
  3. Atomic mass decreases.
  4. Electron number decreases.
Explanation
Answer: B - Electronegativity decreases.
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