1. In the model above, the dark grey sphere represents carbon. What must the red sphere represent?
*
1 point
carbon
hydrogen
oxygen
a bond
hydrogen
2. What must each of the four white spheres represent?
*
1 point
carbon
hydrogen
oxygen
a bond
a bond
3. What must each stick represent?
*
1 point
carbon
hydrogen
oxygen
a bond
a bond
4. Using the same model kit used for the model of methanol (above), you make a model of ethanol. This is the chemical formula for ethanol. How many dark grey spheres would you use in your model of ethanol?
*
1 point
Captionless Image
one
two
three
four
two
5. Which one of the following is a correct model for ethanol (described in question 4)? Remember that you are using the same model kit used for methanol, above.
*
1 point
Option 1
Option 2
Option 3
Option 4
Without the provided options or visual representations, I am unable to determine which one is the correct model for ethanol.
6. How many protons must be in one atom of argon?
*
1 point
18
22
39.948
40