18849
The coverage of a C17H35COOH layer adsorbed onto UV - Ga was lower , as shown by smaller theta ( water ) ( ca . 99 degrees ) , smaller ellipsometric thickness ( ca . 1 . 3 nm ) , and smaller electrode reaction inhibition .
 Chemical: C17H35COOH; Chemical: Ga
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: C17H35COOH; Chemical: Ga