HgOH would be called mercury(I) hydroxide or mercurous hydroxide. This is a compound that is not well characterised, in other words it is reported by chemists but (as far as I know) the existence of the solid compound has not been proven- e.g. by x-ray crystallography. Some authors say it only exists in solution. It would contain the diatomic Hg22+ ion and the formula would be written Hg2(OH)2.
The oxidation number of Hg in HgOH is +1. Mercury (Hg) typically has an oxidation state of +1 in compounds. Oxygen usually has an oxidation state of -2, so the oxidation state of Hg can be determined by setting up an equation and solving for x: x + (-2) = 0; x = +2.
The compound name for SiI4 is tetrasilane.
The compound name of Al2O3 is aluminum oxide.
The compound name for SiI4 is silicon tetraiodide.
HgOH would be called mercury(I) hydroxide or mercurous hydroxide. This is a compound that is not well characterised, in other words it is reported by chemists but (as far as I know) the existence of the solid compound has not been proven- e.g. by x-ray crystallography. Some authors say it only exists in solution. It would contain the diatomic Hg22+ ion and the formula would be written Hg2(OH)2.
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The oxidation number of Hg in HgOH is +1. Mercury (Hg) typically has an oxidation state of +1 in compounds. Oxygen usually has an oxidation state of -2, so the oxidation state of Hg can be determined by setting up an equation and solving for x: x + (-2) = 0; x = +2.
The name of this compound is iodine heptafluoride.
The formula is HgOH because Mercury is a transition metal and has an unknown charge until paired with hydroxide which has a -1 charge so they would combine equally to make HgOH
The compound name for 7H2O is heptahydrate.
The compound name for SiI4 is tetrasilane.
Tetranitrogen tetraselenide is the name of the compound.
The name of the compound Cl2O3 is dichlorine trioxide.
The compound name for MnBr2 is manganese(II) bromide and the compound name for NaPO4 is sodium phosphate.
The name of the compound H2C2O4 is oxalic acid.
The compound name of Al2O3 is aluminum oxide.