Yodo

Simbolo del yodo es I
A es 128,90
Z es 53
Lo descubrio Bernard Courtois em el año 1811
estaba aislando compuestos de sodio y de potasio de la ceniza de algas marinas, descubrió el yodo tras añadir ácido sulfúrico a las cenizas de algas marinas.
El yodo se encuentra naturalmente en algunos alimentos y también se agrega a la sal "yodada" o "con yodo"

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