(kco3s+ ∆→kcl s o2g) es exotérmica o endotermica?
justifica tu respuesta.​

Which other elements contain the same number of outer electrons as sodium

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Nan element’s square on the periodic table, the number with the greatest numerical value represents the