Chemistry
Which of the following is the correct electronic configuration of potassium ?
- 2, 8, 9
- 8, 2, 9
- 2, 8, 8, 1
- 1, 2, 8, 8
Atomic Structure
26 Likes
Answer
2, 8, 8, 1
Reason — Potassium has 19 electrons hence the electronic configuration is [2, 8, 8, 1]
Answered By
17 Likes
Related Questions
Rutherford's alpha-particle scattering experiment led to the discovery of :
- Electron
- Proton
- Atomic nucleus
- Neutron
The number of valence electrons in O2- is :
- 6
- 8
- 10
- 4
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
- 23
- 22
- 20
- 21
The number of valence electrons in Cl- ion is:
- 16
- 8
- 17
- 18