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Les métaux alcalins || The alkali metals


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Un métal alcalin est un élément chimique de la première colonne (groupe 1, excepté l'hydrogène) du tableau périodique des éléments.

The alkali metals are a series of chemical elements in the first column (group 1, except hydrogen) of the periodic table of elements.

[1] Lithium --- 3Li

[2] Sodium --- 11Na
[3] Potassium --- 19K
[4] Rubidium --- 37Rb
[5] Césium --- 55Cs
[6] Francium --- 87Fr

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