Use the electronegativities in the periodic table above to determine which bonding pair forms polar covalent bonds.
A) Lithium and Oxygen
B) Calcium and Chlorine
C) Nitrogen and Hydrogen
D) Hydrogen and Hydrogen

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.