September 2019 1 41 Report
Considerando las siguientes sustancias químicas
CaO
Mg
NH3
C2S
NH4OH
CH4
Fe
AlCl3
O2
HCN
Na2CO3
SO2
Fe(OH)3
Ni
HNO3
KBr
CaCl2
O3
Identifique los metales que forman parte de las sustancias indicadas e indique su número atómico
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