Identify the element or molecule that has the lowest effusion rate. A) He B) N₂ C) NO₂ D) Cl₂ E) Xe

Name: Identify the element or molecule that has the lowest effusion rate. A) He B) N 2 C) NO 2 D) Cl 2 E) Xe
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Question

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The effusion rate is inversely proportional to the molecular weight of the substance. Xe has the highest molecular weight among the options given and therefore has the lowest effusion rate.

Identify the Element or Molecule That Has the Lowest Effusion