Alkali metal

6 chemical elements

All Alkali metal Alkaline earth metal Metal lanthanides Metal actinides Transition metal Poor metal Metalloids Other no metal Non-metal halogen No noble gas metal Unclassified
3
Li
6.942 u
[He] 2s1
Lithium
Alkali metal
11
Na
22.9898 u
[Ne] 3s1
Sodium
Alkali metal
19
K
39.0983 u
[Ar] 4s1
Potassium
Alkali metal
37
Rb
85.4678 u
[Kr] 5s1
Rubidium
Alkali metal
55
Cs
132.9055 u
[Xe] 6s1
cesium
Alkali metal
87
Fr
223 u
[Rn] 7s1
francium
Alkali metal

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