Assertion: compound's formula | /r/HasProperty | 3 v(o
Facets:
Source sentences:
text: In alkaline solutions, species with 2, 3 and 4 peroxide groups are known; the last forms violet salts with the formula M 3 V(O 2 ) 4 nH 2 O (M= Li, Na, etc.), in which the vanadium has an 8-coordinate dodecahedral structure.