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Atom and Ion Composition Calculator — result sheet
Calculate mass number, neutron count, and electron count from proton count, neutron count, and ionic charge.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Mass number A = protons + neutrons; electrons = protons − ionic charge.
The calculator keeps nuclear composition and ionic charge separate, making the sign convention for electron count visible.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Protons — minimum 1; maximum 1000
- Neutrons — minimum 0; maximum 5000
- Ion charge — Positive charge means electrons were removed; negative charge means electrons were added.; minimum -1000; maximum 1000
Worked example
| Input | Value |
|---|---|
| Protons | 11 |
| Neutrons | 12 |
| Ion charge | 1 |
Mass number = 23, neutrons = 12, and electrons = 10.
Assumptions and limits
- Proton and neutron counts are whole-number particle counts and the ion charge is an integer in elementary-charge units.
- The result describes one isotope and ion state; it does not identify an element name from a periodic-table database.
- Nuclear binding energy, isotope abundance, electron configuration, and chemical behavior are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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