PolarityOnline version Label the polarity across the Lewis structures shown. by Devon Heath 1 ↑ 2 → 3 ↓ 4 ← 5 → 6 ← 7 ↑ 8 NA 9 ← 10 → 11 ↑ 12 → 13 ↓ 14 ↑ 15 ↑ 16 → 17 ← 18 → 19 ←