It is written correctly in the question. The symbol is O.
Word equation:sodium + oxygen => sodium oxideSymbol equation:4Na + O2 => 2Na2O
Fuel+oxygen --> carbon dioxide+water
The formula H2O indicates that there are two atoms of hydrogen for every atom of oxygen in a molecule of water. You could write it H2O1 but that would be redundant.
2HgO------->2Hg+O2
First write the reaction, get moleculr weight of oxygen and reactant. TOD=(mg/L soln)X(weight of O)/(weight of Reactants)
O2
aluminium oxide --------------> aluminium and oxygen electrolysis
H20
2s22p4
Hydrogen gas is H2. Oxygen gas is O2.
CaO.
0.000000000014
every body will die
trees give us oxygen
Oxygen + Glucose > Water + Carbon Dioxide or iron + oxygen ---> Ironoxide
Oxygen is an atom, so it doesn't really have likes and dislikes. Maybe you could write a more specific question?
Carbondioxide + Water ----------------> Glucose + Oxygen