Complex sentence: Although the N-Na bond is polar covalent as a solid, when dissolved in nonpolar solvents this compound is trimeric, consisting of a central Na 3 N 3 ring.
Split into simpler sentences: Although the N-Na bond is polar covalent. As a solid and when dissolved in nonpolar solvents, this compound is trimeric, consisting of a central Na 3 N 3 ring.