NaF(s) refers to sodium fluoride in its solid state. Sodium fluoride is an ionic compound composed of sodium cations (Na+) and fluoride anions (F-) held together by strong electrostatic forces.
Related terms
Sodium cation (Na+): A positively charged ion that forms when sodium loses one electron.
Electrostatic forces: Forces of attraction or repulsion between charged particles due to their electric charge.
Ionic compound: A compound consisting of positive and negative ions held together by electrostatic interactions.