October 2018 1 13 Report
Ayuda por favor!!

tengo que definir las siglas que son las iniciales de elementos químicos

O=
N=
H=
C=
He=
Cu=
Ca=
P=
S=
K=
Pb=
B=
Al=
Fe=
Si=
Hg=

doy 22 puntos ....gracias


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