Acid Solubility Table
| # | Sym | Element Name | Sulfuric Acid | Hydrochloric HCl | Nitric Acid | Aqua Regia |
| 3 | Li | Lithium | Li2SO4 | LiCl | LiNO3 | LiOH |
| 55 | Cs | Caesium | Cs2SO4 | CsCl | CsNO3 | non-soluble |
| 37 | Rb | Rubidium | Rb2SO4 | RbCl | RbNO3 | non-soluble |
| 19 | K | Potassium | K2SO4 | KCl | KNO3 | KCl and KNO3 |
| 56 | Ba | Barium | non-soluble | BaCl2 | Ba(NO3)2 | non-soluble |
| 38 | Sr | Strontium | SrSO4 | SrCl2 | Sr(NO3)2 | SrCl2 |
| 20 | Ca | Calcium | CaSO4 | CaCl2 | Ca(NO3)2 | Ca(NO3)2 |
| 11 | Na | Sodium | Na2SO4 | NaCl | NaNO3 | NaCl |
| 57 | La | Lanthanum | La2(SO4)3 | LaCl3 | La(NO3)3 | 2LaCl3 |
| 39 | Y | Yttrium | Y2(SO4)3 | YCl3 | Y(NO3)3 | 2Y(NO3)3 |
| 40 | Zr | Zirconium | - | - | non-soluble | 3ZrCl4 |
| 12 | Mg | Magnesium | MgSO4 | MgCl2 | Mg(NO3)2 | MgCl2 |
| 59 | Pr | Praseodymium | Pr2(SO4)3 | PrCl3 | Pr(NO3)3 | 2PrCl3 |
| 58 | Ce | Cerium | CeSO4 | CeCl3 | Ce(NO3)3 | (CeCl4)2- |
| 68 | Er | Erbium | Er2(SO4) | 2ErCl3 | Er(NO3)3 | ErCl3 |
| 67 | Ho | Holmium | Ho2(SO4)3 | HoCl3 | Ho(NO3)3 | HoCl3 |
| 60 | Nd | Neodymium | Nd2(SO4)3 | NdCl3 | Nd(NO3)3 | NdCl3 |
| 69 | Tm | Thulium | Tm2SO4 | TmCl3 | Tm(NO3)3 | TmCl3 |
| 62 | Sm | Samarium | Sm(OH2)9 | SmCl3 | Sm(NO3)3 | 2SmCl3 |
| 61 | Pm | Promethium | Pm2(SO4)3 | PmCl3 | Pm(NO3)3 | PmCl3 |
| 66 | Dy | Dysprosium | Dy2(SO4)3 | DyCl3 | Dy(NO3)3 | DyCl3 |
| 71 | Lu | Lutetium | Lu2(SO4)3 | 2 LuCl3 | Lu(NO3)3 | LuCl3 |
| 65 | Tb | Terbium | Tb2(SO4)3 | 2TbCl3 | Tb(NO3)3 | TbCl3 |
| 64 | Gd | Gadolinium | Gd(H2O)9 | GdCl3) | Gd(NO3)3 | GdCl3 |
| 70 | Yb | Ytterbium | Yb(H2O)9 | YbCl2 | Yb(NO3)3 | non-soluble |
| 52 | Te | Tellurium | TeO2 | non-soluble | Te(NO3)4 | TeCl4 |
| 21 | Sc | Scandium | Sc2(SO4)3 | ScCl3 | Sc(NO3) | ScCl3 |
| 63 | Eu | Europium | Eu(H2O)9 | EuCl2 | Eu(NO3)3 | EuCl3 |
| 4 | Be | Beryllium | BeSO4 | BeCl2 | non-soluble | BeCl2 |
| 13 | Al | Aluminium | Al2(SO4)3 | AlCl3 | non-soluble | 2 AlCl3 |
| 22 | Ti | Titanium | Ti(SO4)2 | TiCl3 | non-soluble | non-soluble |
| 17 | Cl | Chlorine | - | - | - | - |
| 8 | O | Oxygen | - | - | - | - |
| 25 | Mn | Manganese | MnSO4 | MnCl2 | Mn(NO3)2 | MnCl2 |
| 14 | Si | Silicon | Si(SO4)2 | non-soluble | non-soluble | non-soluble |
| 5 | B | Boron | 2H3BO3 | non-soluble | B2O3 | - |
| 23 | V | Vanadium | V2(S04)3 | non-soluble | V2O5 | 2VOCl3 |
| - | H2O | Water | ~ H2O 0.83 | 0 | - | - |
| 6 | C | Carbon | - | - | - | - |
| 30 | Zn | Zinc | ZnSO4 | ZnCl2 | Zn(NO3)2 | ZnCl2 |
| 15 | P | Phosphorous | 2H3PO4 | 2PH3 | non-soluble | H3PO4 |
| 73 | Ta | Tantalum | a(SO4)2 | non-soluble | non-soluble | non-soluble |
| 24 | Cr | Chromium | Cr2(SO4)3 | CrCl3 | non-soluble | non-soluble |
| 34 | Se | Selenium | H2SeO3 | non-soluble | H2SeO3 | SeCl6 |
| 31 | Ga | Gallium | Ga(OH2)6 | GaCl3 | non-soluble | 2GaCl3 |
| 26 | Fe | Iron | FeSO4 | FeCl2 | Fe(NO3)3 | FeCl3 |
| 48 | Cd | Cadmium | CdSO4 | CdCl2 | Cd(NO3)2 | Cd(NO3)2 |
| 49 | In | Indium | In2(SO4)3 | InCl2 | In(NO3)3 | InCl3 |
| 81 | Tl | Thallium | Tl2(SO4)3 | non-soluble | Tl(NO3)3 | 2TlCl4- |
| 27 | Co | Cobalt | CoSO4 | CoCl2 | Co(NO3)2 | (CoCl4)2- |
| 16 | S | Sulfur | H2SO4 | H2S + Cl2 | H2SO4 | 3H3O+ |
| 28 | Ni | Nickel | Ni2(SO4)3 | NiCl2 | Ni(NO3)2 | NiCl4] |
| 42 | Mo | Molybdenum | Mo(SO4)2 | MoCl5 | MoO3 | MoCl5 |
| 50 | Sn | Tin | SnSO4 | SnCl2 | H2SnO3 | SnCl4 |
| 82 | Pb | Lead | non-soluble | PbCl2 | Pb(NO3)2 | PbCl2 |
| 1 | H | Hydrogen | - | - | - | - |
| 32 | Ge | Germanium | Ge2(SO4)3 | non-soluble | GeO2 | GeCl4 |
| 51 | Sb | Antimony | Sb2(SO4)3 | SbCl3 | Sb2O5 | SbCl3 |
| 33 | As | Arsenic | H3AsO4 | AsCl3 | H3AsO4 | 2H3AsO4 |
| 41 | Nb | Niobium | Nb2(SO4)5 | non-soluble | non-soluble | non-soluble |
| 83 | Bi | Bismuth | Bi2(SO4)3 | BiCl3 | Bi(NO3)3 | BiCl3 |
| 29 | Cu | Copper | CuSO4 | non-soluble | Cu(NO3)2 | CuCl2 |
| 84 | Po | Polonium | - | - | Po(NO3)4 | - |
| 44 | Ru | Ruthenium | non-soluble | non-soluble | non-soluble | non-soluble |
| 45 | Rh | Rhodium | Rh(SO4)3 | non-soluble | non-soluble | non-soluble |
| 47 | Ag | Silver | Ag2SO4 | non-soluble | AgNO3 | non-soluble |
| 80 | Hg | Mercury | HgSO4 | non-soluble | Hg(NO3)2 | Hg(NO3)2 |
| 76 | Os | Osmium | OsO4 | non-soluble | OsO4 | non-soluble |
| 46 | Pd | Palladium | PdSO4 | PdCl4 | non-soluble | H2PtCl4 |
| 77 | Ir | Iridium | non-soluble | non-soluble | non-soluble | non-soluble |
| 78 | Pt | Platinum | non-soluble | non-soluble | non-soluble | H2PtCl4 |
| 75 | Re | Rhenium | HReO4 | non-soluble | HReO4 | - |
| 79 | Au | Gold | non-soluble | non-soluble | non-soluble | 2HAuCl4 |
| 74 | W | Tungsten | non-soluble | non-soluble | non-soluble | non-soluble |
