Structure

= **Structure** =

__**Atomic Structure of Potassium**__

 * **NUMBER OF ENERGY LEVELS:** 4
 * First Energy Level: 2
 * Second Energy Level: 8
 * Third Energy Level: 8
 * Fourth Energy Level:
 * **ATOMIC MASS/AMOUNT OF ELECTRONS, PROTONS & NEUTRONS **
 * Atomic Number: 19[[image:b0019.gif width="466" height="464" align="right" caption="http://www.chemicalelements.com/elements/k.html"]]
 * Atomic Mass: 39.0983 amu
 * Number of Protons/Electrons: 19
 * Number of Neutrons: 20

**Isotopes of Potassium:** = =
 * = === **Isotope** === ||= === **Half Life** === ||
 * = === K-39 === ||= === Stable === ||
 * = === K- 40 === ||= === 1.28E9 years === ||
 * = === K-41 === ||= === Stable === ||
 * = === K-42 === ||= === 12.4 hours === ||
 * = === K-43 === ||= === 22.3 hours === ||