Covalent Bonding Practice Test Questions and Answers

Covalent Bonding Practice Test Questions and Answers What information does a molecular formula provide? - Answer-the number and kind of atoms present in a molecule The molecular formula PCl5 indicates that . - Answer-the molecule contains one phosphorus atom and five chlorine atoms What is the representative unit in a molecular compound? - Answer-a molecule The chemical formula of a molecular compound shows . - Answer-how many atoms of each element a molecule contains What is shown by the structural formula of a molecule or polyatomic ion? - Answer-the arrangement of bonded atoms Which elements can form diatomic molecules joined by a single covalent bond? - Answer-hydrogen and the halogens only Once formed, how are coordinate covalent bonds different from other covalent bonds? - Answer-There is no difference What is a molecule that contains a coordinate covalent bond? - Answer-N204 When H forms a bond with H2O to form the hydronium ion H3O , this bond is called a coordinate covalent bond because.... - Answer-both bonding electrons come from the oxygen atom In the compound PCl5, how many valence electrons does the phosphorus atom have? - Answer-10 Which of the following bonds is the least reactive? - Answer-H-H What is a highly reactive bond dissociation energy? - Answer-142 kJ/mol