Ionic solids are characterized by _____?

Ionic solids are characterized by _____?

آئنک ٹھوس خصوصیات _____ کی طرف سے ہیں؟
Explanation
Ionic solids (like NaCl) are generally soluble in polar solvents (like water) due to strong ion-dipole interactions.
They are poor conductors in solid state but conduct when molten or dissolved, and they have low vapor pressure.