Using the table of average bond energies below, the ΔH for the reaction is ________ kJ.                                     H-C≡C-H (g) + H-Cl (g) → H2CCHCl (g                                   Bond:   C≡C    C=C    H-Cl     C-Cl    C-H                               D (kJ/mol): 839     614      431      328      413

The strongest interparticle attractions exist between particles of a ________, and the weakest interparticle attractions exist between particles of a ________. 

The molecular geometry consists of ________.              a) a nonbonding pair of electrons              b) a single bond              c) a multiple bond

The ________ ion has eight valence electrons.

For molecules of the general formula ABn, n can be greater than four ________.

The diagram below is the Born-Huber cycle for the formation of crystalline potassium fluoride. Which energy change corresponds to the ionization of K+ ?

BONUS (Optional): The molecular geometry of the CHF3 molecule is ________, and the molecule is ________. DRAW THE LEWIS STRUCTURE TO SUPPORT YOUR ANSWER.  (2 POINTS)

Accessibility guidelines recommend:

Whitespace in design helps to:

What is a key advantage of error tolerance in design?