Question

complete the following: ( note: formulas should be entered like the following example: potassium sulfate - k2so4 , another example: zinc nitrate - zn(no3)2 ) compound ionic or covalent formula sodium oxide covalent so iron(iii) bromide ionic febr3 sodium carbonate ionic na2co3 carbon tetrachloride covalent ccl4 nitrogen tribromide covalent nbr3

Answer 1

Compound              Ionic or Covalent                  Formula

sodium oxide          Ionic                                     Na2O                                      

iron(III) bromide        Ionic                                    FeBr3                                  

sodium carbonate       Ionic                                 Na2CO3                                  

carbon tetrachloride     covalent                         CCl4                                  

nitrogen tribromide      covalent                            NBr3

Ionic bonds, which occur when two negatively charged ions join forces with positively charged ones, are formed when one atom transfers electrons to the other. Ionic bonds may be seen in the chemical compound sodium chloride.

A: The oxygen molecule is held together by two covalent bonds because the two oxygen atoms share two pairs of electrons. Two atoms, in this case oxygen and hydrogen, share electrons to form covalent bonds. Each end of the V-shaped H2O molecule assumes a slightly different charge as a result of the uneven attraction of oxygen and hydrogen to the shared electrons.

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