dokończ równania
Ca+O2=
H+O2=
Na+O2=
Mg+O2=
2Ca+O₂ => 2CaO
2H₂+O₂ => 2H₂O
4Na+O₂ =>2Na₂O
2Mg+O₂ =>2MgO
pozdrawiam i licze na naj ;)
2ca+o2= 2cao
2h2+o2=2 h2o
4na+o2= 2na2o
2mg+o2=2 mgo
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2Ca+O₂ => 2CaO
2H₂+O₂ => 2H₂O
4Na+O₂ =>2Na₂O
2Mg+O₂ =>2MgO
pozdrawiam i licze na naj ;)
2ca+o2= 2cao
2h2+o2=2 h2o
4na+o2= 2na2o
2mg+o2=2 mgo