What is the electron arrangement for potassium (atomic number 19)?
A)2,8,9
B)2,8,7,2
C)2,10,7
D)2,8,8,1
E)2,8,6,3

Name: What is the electron arrangement for potassium (atomic number 19)? A)2,8,9 B)2,8,7,2 C)2,10,7 D)2,8,8,1 E)2,8,6,3
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Quizplus · Accepted Answer

Potassium (K) has an atomic number of 19, meaning it has 19 electrons. The electron configuration for potassium is 2 electrons in the first shell, 8 in the second, 8 in the third, and 1 in the fourth, making the correct arrangement 2,8,8,1.

What Is the Electron Arrangement for Potassium (Atomic Number 19)