page 1 ___ pts
NAME:__________________________
E12B
Chemistry 100
Professor: D. Gergens
DUE ________
Draw the Lewis dot structure for the following substances complete the table.
Substance
H2Se
State the
Indicate the geometry
Is the substance
Is the substance soluble
substance's
about each atom in the
polar or nonpolar?
or insoluble in water?
ICAO
substance
(dihydrogen selenide)
Na2SO3 (sodium sulfite)
CH3CHO (acetaldehyde)
Draw all isomers for
C3H3Br
(click here)
Written & directed by James Cameron, the Abyss (1989) - 80% of the movie was filmed underwater
http://www.youtube.com/watch?v=9MdlyM7w8PM (click here) or Goolge "rat abysss"
Fluid Breathing System - San Diego, Alliance Pharmaceuticals
identify
substance type
ICAO
CaF2
H2SO4
HF
CaSO4
CHCl3
SbF5
CHF2Cl
CHFCl2
CHF3
CF2
CF2=CF2
I2
SbF5
C2F5I
SbF3
C8H17 I
Br2
C8H17 Br
On the next page, draw the ionic or Lewis Dot or line-angle structure for each substance.
CaF2
H2SO4
HF
CaSO4
CHCl3
CHF2Cl
CHFCl2
CHF3
HCl
CF2 (unstable, disobeys octet)
I2
SbF5
CF2=CF2
C2F5I
SbF3
C8F17I (line angle drawn)
Br 2
C8F17Br (draw theline angle structure)
F
F
F F
F
F
F
F
F
I
F
F
F
F
F
F
F F
page 4 ___ pts
NAME:__________________________
Chemistry 100
E12B
continued
Professor: D. Gergens
Did you watch the videos at http://homework.sdmesa.edu/dgergens/chem100/electron_dot2/electron_dot.html?
(click here)
Draw the Lewis dot structure for the following substances and complete the table.
Substance
C2O4
CO
2-
State the
substance's
ICAO
Indicate the geometry
about each atom in the
substance
Is the substance
polar or nonpolar?
Is the substance soluble
or insoluble in water?
Give the correct formula
for a water soluble
oxalate ionic salt.
(oxalate ion)
(carbon monoxide)
CH3COCO2H (pyruvic acid)
Draw ALL isomers for C4H8
Fill in the blanks and complete the questions in the boxes
about the structure for vitamin C drawn below.
organic substance
From its structure below, determine its chemical formula
formula _________________
Name: L- ascorbic acid (vitamin C)
Identify geometry about the labeled atoms below
a
b
c
HO
O
O
HO
HO
OH
Would vitamin C molecules be considered a "water soluble vitamin" and if so, why? Use complete sentences