Molecules and Structures Quick Check
4 of 44 of 4 Items
Question
Use the table to answer the question.
Atom Color in
Molecular Model
hydrogen (H) white
oxygen (O) red
nitrogen (N) blue
carbon (C) gray
Which option correctly describes a model of methanol, CH3OH?
(1 point)
Responses
two red spheres, four white spheres
two red spheres, four white spheres
one gray sphere, four white spheres, one red sphere
one gray sphere, four white spheres, one red sphere
one blue sphere, four white spheres, one red sphere
one blue sphere, four white spheres, one red sphere
one gray sphere, three white spheres, one red sphere, one blue sphere
The correct answer is: one gray sphere, three white spheres, one red sphere, one blue sphere.
The correct answer is: one gray sphere, three white spheres, one red sphere, one blue sphere.
To answer this question, we need to determine the correct arrangement of atoms in a model of methanol, CH3OH, using the given color scheme for the different atoms.
Methanol has one carbon atom (C), three hydrogen atoms (H), one oxygen atom (O), and there are no nitrogen atoms (N) present. According to the table, carbon is represented by a gray sphere, hydrogen by a white sphere, oxygen by a red sphere, and nitrogen by a blue sphere.
Based on this information, we can eliminate option 3 since methanol does not contain any nitrogen atoms.
Now, let's consider the remaining options:
Option 1: two red spheres, four white spheres
Option 2: one gray sphere, four white spheres, one red sphere
Option 4: one gray sphere, three white spheres, one red sphere, one blue sphere
To determine which option is correct, let's analyze the chemical formula CH3OH. The formula indicates that methanol contains one carbon atom (C), three hydrogen atoms (H), and one oxygen atom (O).
Looking at the remaining options:
Option 1 does not have any gray spheres to represent the carbon atom, so it is incorrect.
Option 2 correctly has one gray sphere for carbon, four white spheres for hydrogen, and one red sphere for oxygen.
Therefore, the correct arrangement of atoms in a model of methanol, CH3OH, is:
Option 2: one gray sphere, four white spheres, one red sphere
So the correct answer is option (B) one gray sphere, four white spheres, one red sphere.