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Azot Calciu Nitrogenium Mercur Kalium Hidrargyrium Fosfor Sodiu Potasiu Natrium
Na
Ca
K
Hg
P
N
Na
Ca
K
Hg
P
N


Răspuns :

K-Ba-Ca-Na-Mg-Al-Mn-Zn-Cr-Fe-Ni-Sn-Pb-H-Cu-Hg-Ag-Pt-Au

------------------->--------scade reactivitatea-------->--------------------->

Scara reactivitatii metalelor