AP Chemistry Exam Prep

Category - AP Chemistry

Which of the following elements exists as a liquid at 25 degrees Celsius?
  1. Silicon
  2. Chlorine
  3. Boron
  4. Arsenic
  5. Mercury
Explanation
Answer: Mercury

At 25 degrees Celsius, the only two elements that exist as liquids are bromine and mercury. In the context of the question, mercury is the only element that exists as a liquid at 25 degrees Celsius.
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