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Which one of the following molecules has an atom with an expanded octet
Great East Japan Earthquake
A magnitude 9.0 undersea earthquake off the Pacific coast of Japan, occurred on March 11, 2011, causing widespread damage and triggering a tsunami.
Super-Event
An exceptionally significant or large-scale event that has a profound impact on its participants or the surrounding environment.
Unique-Event
A one-of-a-kind occurrence or happening that is distinct from other events in its specificity or significance.
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