18932
Quantitative analysis of the coverage density of Br - ions on Pd { 100 } facets and its role in controlling the shape of Pd nanocrystals .
 Chemical: Br -; Chemical: Pd; Chemical: Pd
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Br -, Pd, Pd 
Answer:
 Chemical: Br -; Chemical: Pd; Chemical: Pd