A molecule of ethanol has two carbon atoms, six hydrogen atoms, and one oxygen atom. A ball-and-stick model of a molecule of ethanol is made from the following components:
one red ball
two black balls
six white balls
eight sticks
What do the black balls in the model represent?
(1 point)
Responses
bonds between atoms
bonds between atoms
hydrogen atoms
hydrogen atoms
carbon atoms
carbon atoms
oxygen atoms
carbon atoms
Which term describes the repeated arrangement of the same molecule?(1 point)
Responses
molecular model
molecular model
bonds
bonds
extended structure
extended structure
atoms
extended structure
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 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
one gray sphere, three white spheres, one red sphere, one blue sphere
one gray sphere, four white spheres, one red sphere