17026
This study investigated the effect of M ( n + ) ions ( Zn ( 2 + ) , Ca ( 2 + ) , Ba ( 2 + ) , Al ( 3 + ) , Fe ( 3 + ) , La ( 3 + ) , Eu ( 3 + ) , and Tb ( 3 + ) ) and hydrophobic chains ( hydrocarbon and fluorocarbon ) on the formation of metal - coordinated bilayers .
 Chemical: Zn ( 2 + ); Chemical: Ca ( 2 + ); Chemical: Ba ( 2 + ); Chemical: Al ( 3 + ); Chemical: Fe ( 3 + ); Chemical: La ( 3 + ); Chemical: Eu ( 3 + ); Chemical: Tb ( 3 + ); Chemical: hydrocarbon; Chemical: fluorocarbon
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Zn ( 2 + ); Chemical: Ca ( 2 + ); Chemical: Ba ( 2 + ); Chemical: Al ( 3 + ); Chemical: Fe ( 3 + ); Chemical: La ( 3 + ); Chemical: Eu ( 3 + ); Chemical: Tb ( 3 + ); Chemical: hydrocarbon; Chemical: fluorocarbon