Lithium Ionization Energy Calculator
Introduction & Importance
Ionization energy is a crucial concept in chemistry, measuring the energy required to remove an electron from an atom or ion. Lithium, with the atomic number 3, has a unique ionization energy profile…
How to Use This Calculator
- Enter the atomic number (Z) of lithium (3).
- Select the principal quantum number (n) for the electron you want to remove.
- Click ‘Calculate’ to find the ionization energy.
Formula & Methodology
The ionization energy (IE) can be approximated using the following formula:
IE = 1312.1 * Z^2 / n^2
Real-World Examples
Data & Statistics
| Principal Quantum Number (n) | Ionization Energy (kJ/mol) |
|---|---|
| 1 | 520.2 |
| 2 | 7299.6 |
Expert Tips
- Ionization energy increases across periods and decreases down groups.
- Ionization energy is an endothermic process.
Interactive FAQ
What is the first ionization energy of lithium?
520.2 kJ/mol
Why does lithium have a low first ionization energy?
Lithium has a low ionization energy due to its small atomic radius and low nuclear charge.
Lithium’s Unique Chemistry – Royal Society of Chemistry
Atomic Structure and Ionization Energy – LibreTexts