hallar el numero de protones, neutrones y electrones de hierro, molibdeno, yodo, francio, aluminio y plata

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Is powdered sports drink ionic or covalent ? 10pts !