Potassium (symbol K) is element number 19 of the periodic table and belongs to the “Alkali metal” category. Its atomic mass is about 39.098, and its phase under standard conditions is Solid. This element sits in period 4 and group 1 of the periodic table, and its electrons are arranged in shells of 2, 8, 8, 1. The short electron configuration of Potassium is [Ar] 4s¹. Known uses of Potassium include Chemical fertilizers, Glassmaking and Soap.
The electron configuration of Potassium (K), with 19 electrons, is shown below. The last shell (shell 4) is highlighted:
Distribution of 19 electrons of Potassium across shells K to N:
The alkali metals are the group 1 elements (excluding hydrogen): soft, shiny and highly reactive metals that react violently with water and are never found free in nature.
The atomic number of Potassium (K) is 19; that is, every atom of it has 19 protons.
The electron configuration of Potassium (K) is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹; in short form it is [Ar] 4s¹, and its last shell is 4s¹.
The chemical symbol of Potassium is K.
Potassium is located in period 4 and group 1 and belongs to the “Alkali metal” category.
The atomic mass of Potassium is about 39.098 (atomic mass units).
The phase of Potassium under standard conditions is Solid.
Uses of Potassium include Chemical fertilizers, Glassmaking and Soap.
Potassium was discovered by Humphry Davy in 1807.
Lithium (Li)Sodium (Na)Rubidium (Rb)Cesium (Cs)Francium (Fr)
Hydrogen (H)Lithium (Li)Sodium (Na)Rubidium (Rb)Cesium (Cs)Francium (Fr)
