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
oxygen atoms
oxygen atoms
hydrogen atoms
hydrogen atoms
bonds between atoms
bonds between atoms
carbon atoms
carbon atoms
3 answers
The black balls in the model represent carbon atoms.
Use the model of a molecule to answer the question.
H H
| |
H — C — C — O — H
| |
H H
How many atoms of carbon does this molecule have?
(1 point)
Responses
2 atoms
2 atoms
6 atoms
6 atoms
4 atoms
4 atoms
1 atom
H H
| |
H — C — C — O — H
| |
H H
How many atoms of carbon does this molecule have?
(1 point)
Responses
2 atoms
2 atoms
6 atoms
6 atoms
4 atoms
4 atoms
1 atom
H H
| |
H — C — C — O — H
| |
H H
How many atoms of carbon does this molecule have?
(1 point)
Responses
2 atoms
2 atoms
6 atoms
6 atoms
4 atoms
4 atoms
1 atom
| |
H — C — C — O — H
| |
H H
How many atoms of carbon does this molecule have?
(1 point)
Responses
2 atoms
2 atoms
6 atoms
6 atoms
4 atoms
4 atoms
1 atom
1 answer