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AllScienceTools
AllScienceTools
Reference list of common ions, their formulas, and charges (e.g., Nitrate, Sulfate, Ammonium).
Mastering Polyatomic Ions is a key step in your Science journey. We built this Polyatomic Ions to be your personal study assistant—helping you solve problems step-by-step, verify your homework answers, and build confidence before exams.
This tool handles the computation, allowing you to focus on the underlying logic and problem-solving strategies. It is particularly useful for verifying hand-written work and exploring different problem scenarios instantly.
Instant, high-precision results
Mobile-friendly interface
Ad-free study environment
Step-by-step logical verification
Understanding Polyatomic Ions is fundamental. Our calculator uses standard algorithms aligned with academic curriculums to ensure the results match what you need for your classes.
High-resolution printable table with Atomic Mass, Number, Electron shell configuration, and Element groups.
Organic Chemistry groups including Alcohols, Ketones, Carboxylic Acids, Esters, and Amines.
Standard Reduction Potentials, Galvanic Cells, Nernst Equation, and Gibbs Free Energy.
PV = nRT, Boyle, Charles, Gay-Lussac, combined gas law, and STP molar volume.
| Name | Formula | Charge |
|---|---|---|
| Ammonium | NH₄⁺ | +1 |
| Hydronium | H₃O⁺ | +1 |
| Mercury(I) | Hg₂²⁺ | +2 |
| Name | Formula | Charge |
|---|---|---|
| Carbonate | CO₃²⁻ | -2 |
| Chromate | CrO₄²⁻ | -2 |
| Dichromate | Cr₂O₇²⁻ | -2 |
| Oxalate | C₂O₄²⁻ | -2 |
| Peroxide | O₂²⁻ | -2 |
| Sulfate | SO₄²⁻ | -2 |
| Sulfite | SO₃²⁻ | -2 |
| Phosphate | PO₄³⁻ | -3 |
| Phosphite | PO₃³⁻ | -3 |
| Name | Formula | Charge |
|---|---|---|
| Acetate | C₂H₃O₂⁻ | -1 |
| Bicarbonate | HCO₃⁻ | -1 |
| Chlorate | ClO₃⁻ | -1 |
| Chlorite | ClO₂⁻ | -1 |
| Cyanide | CN⁻ | -1 |
| Hydroxide | OH⁻ | -1 |
| Hypochlorite | ClO⁻ | -1 |
| Nitrate | NO₃⁻ | -1 |
| Nitrite | NO₂⁻ | -1 |
| Perchlorate | ClO₄⁻ | -1 |
| Permanganate | MnO₄⁻ | -1 |