Question

Determinati formulele chimice ale substantelor notate cu litere si stability coeficientii in urmatoarele ecuatii chimice:
a) Na + S --> a
b) Mg + O₂ --> b
c) Al + Br₂ --> c
d) H₂ + Br ₂ --> d

Answer 1

a) 2Na + S --> Na2S
b) 2Mg + O₂ --> 2MgO
c) 2Al + 3Br₂ --> 2AlBr3
d) H₂ + Br ₂ --> 2HBr
a-Na2S
b-MgO
c-AlBr3
d-HBr