Multiple Choice
An expanded octet may occur:
A) in the 1st and 2nd period only
B) in families IA,IIA,and IIIA only
C) anywhere except period 1 and 2
D) in all families except IA
E) in the 3rd and 4th period only
Correct Answer:

Verified
Correct Answer:
Verified
Q84: Given the bond enthalpies H-O (464),Cl-Cl (243),Cl-O
Q85: What is the molecular shape of BrF<sub>5</sub>?<br>A)linear<br>B)square
Q86: After drawing the Lewis dot structure for
Q87: The core electrons are called valence electrons.
Q88: How many "dots" should be shown for
Q90: Write a Lewis structure for sodium iodide.<br>A)
Q91: After drawing the Lewis dot structure for
Q92: The compound ClF<sub> </sub> contains:<br>A)ionic bonds<br>B)nonpolar covalent
Q93: How many lone pairs of electrons are
Q94: Given the bond enthalpies I-Cl (209),H-H (435),H-I