Hg2S is mercurous sulfide.
Mercurous acetate is a salt.
The formula for mercurous chloride (Hg2Cl2). It is also called mercury(I) chloride.
HgNO3: mercurous nitrate is the earlier name for mercury (I) nitrate.
mercurous perchlorate
valency of lithium - 1
mERCUROUS SULPHITE
hg2br2
Yellowish
valency of Rf =4 valency of Db=5 valency of Sg=6 valency of Bh=7 valency of Hs=8 valency of Mt=unknown
-1 valency
Essentially ALL the metallic nitrates are soluble, even mercurous nitrate, perhaps the only mercurous salt that is soluble.