Practice: What is the full electron configuration of the selenide ion?
Subjects
| Sections | |||
|---|---|---|---|
| The Electron Configuration | 18 mins | 0 completed | Learn Summary |
| The Electron Configuration: Condensed | 4 mins | 0 completed | Learn |
| The Electron Configurations: Exceptions | 13 mins | 0 completed | Learn |
| The Electron Configuration: Ions | 12 mins | 0 completed | Learn |
| Paramagnetism and Diamagnetism | 9 mins | 0 completed | Learn Summary |
| The Electron Configuration: Quantum Numbers | 16 mins | 0 completed | Learn |
| Valence Electrons of Elements | 13 mins | 0 completed | Learn |
| Periodic Trend: Metallic Character | 4 mins | 0 completed | Learn |
| Periodic Trend: Atomic Radius | 11 mins | 0 completed | Learn |
| Periodic Trend: Ionic Radius | 13 mins | 0 completed | Learn Summary |
| Periodic Trend: Ionization Energy | 12 mins | 0 completed | Learn Summary |
| Periodic Trend: Successive Ionization Energies | 11 mins | 0 completed | Learn |
| Periodic Trend: Electron Affinity | 8 mins | 0 completed | Learn Summary |
| Periodic Trend: Electronegativity | 5 mins | 0 completed | Learn |
| Periodic Trend: Effective Nuclear Charge | 20 mins | 0 completed | Learn |
| Periodic Trend: Cumulative | 13 mins | 0 completed | Learn |
| Additional Guides |
|---|
| Atomic Radius (IGNORE) |
| Ionization Energy (IGNORE) |
The Electron Configuration of Ions involves either adding or removing electrons from a given orbital of an element.
Concept #1: Electron Configurations (Cations)
For Cations, remove electrons from highest shell number (n).
Example #1: Write the condensed electron configuration for the titanium (III) ion.
Concept #2: Electron Configurations (Anions)
For Anions, add electrons to orbital with available space.
Example #2: Write the full electron configuration for the nitride ion.
Practice: What is the full electron configuration of the selenide ion?
Practice: Determine the electron configuration for the Cl+ ion.
Practice: Determine the electron configuration and electron orbital diagram for the silver ion.
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