science
Grade-9
Easy
Question
How many numbers of valence electrons are there in potassium ion?
- 8
- 1
- 2
- 3
Hint:
The potassium ion has eight valence electron.
The correct answer is: 8
In potassium ion, there are eight valence electrons; therefore, two electrons can be found in the 's' orbital and the remaining six electrons can be found in the three 'p' orbitals.
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