Sodium Chloride is an ionic compound. Its chemical symbol is NaCl
Dissolving is a physical change in water
NaCl (s) ----> Na+(aq) + Cl-(aq)
General Info about the model-
Clear button: Clears all
Slider: determines amount of NaCl added.
Add NaCl: will add the amount determined by slider. If clicked again, more NaCl will be added and the total will be indicated by the Data box.
Add water: this button is important since without water, NaCl will not dissociate into ions.