The bond angle marked a in the following molecule is about ________. 
Definitions:
Q26: The phase diagram of a substance is
Q61: 0.7515 moles of nitrogen gas and 0.1135
Q68: _ is isoelectronic with argon.<br>A)Cl<sup>-</sup><br>B)P<sup>4-</sup><br>C)Ca<br>D)K<sup>-</sup><br>E)F<sup>-</sup>
Q70: Which ion below has the largest radius?<br>A)Cl<sup>-</sup><br>B)K<sup>+</sup><br>C)Br<sup>-</sup><br>D)F<sup>-</sup><br>E)Na<sup>+</sup>
Q76: How many equivalent resonance forms can be
Q79: Which one of the following is a
Q98: Of the following substances,_ has the highest
Q101: The central atom in the ICl<sub>4</sub><sup>-</sup> ion
Q133: The ion ICl<sub>4</sub><sup>-</sup> has _ valence electrons.<br>A)34<br>B)35<br>C)36<br>D)28<br>E)8
Q157: The principal reason for the extremely low