7832
The kinetic energy dependent cross sections for dissociation of Mg ( 2 + ) ( H2O ) x complexes , in which x = 3 - 10 , are examined over a wide energy range to monitor all dissociation products and are modeled to obtain 0 and 298 K binding energies .
 Chemical: Mg ( 2 + ) ( H2O ) x
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Mg ( 2 + ) ( H2O ) x