The electrons closer to the nucleus would have more energy than the electrons farther away from the nucleus.
C.) Electron has a negative charge.....
If the enthalpy change is negative, then the reaction is exothermic because heat energy was lost to the surroundings.
If the enthalpy change was positive, then the reaction was endothermic because heat energy was gained from the surroundings!
Hope this helps!! x
Answer:
Chromatography is the method of separating mixture by using a solvent and filter paper..