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ARC-Easy / MDSA_2007_8_6 / Use The Periodic Table of the Elements and the information below to answer the…

Problem

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question

Use The Periodic Table of the Elements and the information below to answer the question. Magnesium metal (Mg) is grayish-white in color and reacts actively with water. Fluorine (F2) is a greenish-yellow gas at room temperature and is a member of the halogen family. These two elements react to produce magnesium fluoride (MgF2), a chemical commonly used in making windows and lenses. How does adding heat energy affect magnesium fluoride (MgF2) molecules?

choices

  • The motion of the molecules stops.
  • The motion of the molecules increases.
  • The motion of the molecules decreases.
  • The motion of the molecules is at a constant rate.

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Source and history

upstream_id / Original problem ID
MDSA_2007_8_6
task_id
f7dd3c74-7a3f-5f8f-805f-0cabbf84c315
task_key
ARC~2dEasy--test--MDSA~5f2007~5f8~5f6
task_revision_id
1
config / split
ARC-Easy / test

Official source

initial import