The reaction p4 + 5o2 → p4o10 + 712 kcal is

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar