Practice: How many core electrons does the gallium atom possess?
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| 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 |
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| Atomic Radius (IGNORE) |
| Ionization Energy (IGNORE) |
The Valence Electrons represent the outer shell electrons of an element or ion.
Valence Electrons
Concept #1: Main Group Elements
Example #1: How many inner core and valence electrons would a silicon atom possess?
Concept #2: Transition Metals
Valence Electrons of Transition Metals = s + d electrons.
Example #2: How many valence electrons would the manganese (V) ion possess?
Practice: Provide the number of valence electrons in the iron (III) ion.
Practice: Which of the following have their valence electrons in the same shell?
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Videos in Valence Electrons of Elements
Concept #1: Valence Electrons of Elements
Example #1: Valence Electrons of Elements Example 1
Concept #2: Valence Electrons of Elements
Example #2: Valence Electrons of Elements Example 2
Practice #1: Valence Electrons of Elements Practice 1
Practice #2: Valence Electrons of Elements Practice 2
Practice #3: Valence Electrons of Elements Practice 3