Assertion: fuel cell's part | /r/HasProperty | b
Facets:
Source sentences:
text: In these "button" batteries, the anode is a zinc–mercury amalgam rather than pure zinc, and the cathode uses either \(HgO\) or \(Ag_2O\) as the oxidant rather than \(MnO_2\) (part (b) in Figure \(\PageIndex{1}\)).