Which Substance Has Polar Covalent Bonds

Q122: The formula of sodium chromate is<br>A)NaCrO₄.<br>B)Na₂Cr.<br>C)Na₂CrO₄.<br>D)Na₃(CrO₄)₂.

Q123: Which of the following is a polyatomic

Q124: Which of the following statements about molecules

Q125: In a molecule of nitrogen,N₂,the nitrogen atoms

Q126: Which pair of atoms would form an

Q128: The electron dot formula for carbon monoxide,CO,is<br>A)

Q129: The common name of the compound with

Q130: Which one of the following compounds does

Q131: Write the electron dot symbol for selenium.

Q132: In the formula for ammonium nitrate,the number