Question

1.  What is the total number of valence electrons in one molecule of S2Cl2?

A) 13                          B) 20                          C) 26                          D) 18                         E) none of the above

2. What is the term for two or more structural formulas that represent the same molecule; for example, O=S-O and O—S O.

A) blended structures                            B) hybrid structures                               C) composite structures                                          D) resonance structures                                        E) none of the above

3.  Predict which of the following has an ionic bond.?

A) ICl                          B) IBr                         C) HI                          D) all of the above                 E) none of the above

4.  Rank the compounds NH3, CH4, and PH3 in order of increasing boiling point.

A) NH3 < CH4< PH3                                 B) CH4< NH3 < PH3                                 C) PH3< NH3 < CH4                                                   D) CH4 < PH3 < NH3                                                  E) NH3 < PH3< CH4

5. Predict which of the following has a covalent bond?

A) CH4    B) NH3                      C) PH3   D) all of the above                 E) none of the above

Answer 1

Answero- Group no lo ☺ Sacla c=1A Valency ēns = (2x) + (2x1) = 12tly 1. = 26 ens & Osno -S=0 Resonance structure 102 c none of above HII bond (E) w not BY covalent present W ce pay any C NH o hish Bollns point due to Chydrogen bond' ③ Chy, NH, PH, covalent Call (dl)