Alkali metal: Difference between revisions
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{{subpages}}'''Alkali metals''' are a group of soft, white, highly reactive [[Metal|metallic]] [[element]]s, including [[lithium]], [[sodium]], [[potassium]], [[rubidium]], [[caesium]], and [[francium]]. Low typical [[ionization energy|ionization energies]] give these elements their [[metal]]lic behavior and high [[chemical reaction|reactivities]]. | {{subpages}}'''Alkali metals''' are a group of soft, white, highly reactive [[Metal|metallic]] [[element]]s, including [[lithium]], [[sodium]], [[potassium]], [[rubidium]], [[caesium]], and [[francium]]. Low typical [[ionization energy|ionization energies]] give these elements their [[metal]]lic behavior and high [[chemical reaction|reactivities]]. | ||
= Ionic states = | |||
Occupying the left-most column of the [[Periodic_table_of_elements|periodic table]], alkali atoms have a single valence electron and are readily ionized by its removal, resulting in an ionic charge of +1. Subsequent ionization to more highly charged states requires considerably more energy, as singly-ionized alkali atoms have a noble-gas configuration of electrons (I.e., the outer shell of electrons is completely filled.) | |||
Latest revision as of 18:09, 12 May 2022
Alkali metals are a group of soft, white, highly reactive metallic elements, including lithium, sodium, potassium, rubidium, caesium, and francium. Low typical ionization energies give these elements their metallic behavior and high reactivities.
Ionic states
Occupying the left-most column of the periodic table, alkali atoms have a single valence electron and are readily ionized by its removal, resulting in an ionic charge of +1. Subsequent ionization to more highly charged states requires considerably more energy, as singly-ionized alkali atoms have a noble-gas configuration of electrons (I.e., the outer shell of electrons is completely filled.)