18932
Quantitative analysis of the coverage density of Br - ions on Pd { 100 } facets and its role in controlling the shape of Pd nanocrystals .
 Br -, Pd, Pd
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Br -, Pd, Pd