When the subject of the sentence performs the action,
it is known as the active voice.
When the subject of the sentence receives the action, and the person or thing doing the action follows the verb, the sentence is in
the passive voice.
Sentences with
are wordier because they have an additional helping verb and sometimes the word by. Sentences with
are more clear and concise.
the active voice
Select the correct word from the drop-down list. (1 point)
Sentences with
are wordier because they have an additional helping verb and sometimes the word by. Sentences with
are more clear and concise.
Sentences with the passive voice are wordier because they have an additional helping verb and sometimes the word "by". Sentences with the active voice are more clear and concise.
When is it appropriate to use the passive voice?(1 point)
Responses
when the person or thing performing the action is a proper noun
when the person or thing performing the action is a proper noun
when the person or thing performing the action comes before the verb
when the person or thing performing the action comes before the verb
It is never appropriate to use the passive voice.
It is never appropriate to use the passive voice.
when the person or thing performing the action is unimportant or unknown
when the person or thing performing the action is unimportant or unknown
It is appropriate to use the passive voice when the person or thing performing the action is unimportant or unknown.
Which sentence is written in the active voice?(1 point)
Responses
The lunch was packed.
The lunch was packed.
Rebecca and Lauren went to the beach.
Rebecca and Lauren went to the beach.
The plans were made.
The plans were made.
Rebecca and Lauren were driven by their parents.
Rebecca and Lauren were driven by their parents.
Rebecca and Lauren went to the beach.
Use the sentence to answer the question.
The game was won by the Bluejays.
How would you change the sentence from passive voice to active voice?
(1 point)
Responses
Revise it so the person or thing being acted upon (the game) comes after the verb (was won)
Revise it so the person or thing being acted upon ( the game ) comes after the verb ( was won )
Replace the word was with is.
Replace the word was with is .
Revise it so the person or thing doing the action (the Bluejays) comes before the verb (was won)
Revise it so the person or thing doing the action ( the Bluejays ) comes before the verb ( was won )
Add more details to the sentence.
Revise it so the person or thing doing the action (the Bluejays) comes before the verb (was won).
A model of an atom shows eight electrons in rings that represent different energy levels. How many electrons are in each energy level?(1 point)
Responses
two in the first energy level, six in the second energy level
two in the first energy level, six in the second energy level
eight in the first energy level, zero in the second energy level
eight in the first energy level, zero in the second energy level
zero in the first energy level, eight in the second energy level
zero in the first energy level, eight in the second energy level
four in the first energy level, four in the second energy level
two in the first energy level, six in the second energy level
Which statement about an atom is correct?(1 point)
Responses
The neutron has a negative charge and is found in the nucleus.
The neutron has a negative charge and is found in the nucleus.
The electron has a negative charge and is found outside of the nucleus.
The electron has a negative charge and is found outside of the nucleus.
The proton has no charge and is found in the nucleus.
The proton has no charge and is found in the nucleus.
The neutron has no charge and is found outside of the nucleus.
The electron has a negative charge and is found outside of the nucleus.
A student wants to draw a model of an atom. Which statement describes how to find the number of neutrons to include in the model?(1 point)
Responses
Subtract the number of electrons from the number of protons.
Subtract the number of electrons from the number of protons.
Subtract the atomic number from the mass number.
Subtract the atomic number from the mass number.
Add the atomic number and the mass number.
Add the atomic number and the mass number.
Add the number of electrons to the number of protons.
Subtract the atomic number from the mass number.
Which of the following does the atomic number of an atom represent?(1 point)
Responses
the number of neutrons in the atom
the number of neutrons in the atom
the number of protons in the atom
the number of protons in the atom
the number of particles in the nucleus of the atom
the number of particles in the nucleus of the atom
the number of particles outside the nucleus of the atom
the number of particles outside the nucleus of the atom
The atomic number of an atom represents the number of protons in the atom.
which answer is it
The atomic number of an atom represents the number of protons in the atom.
which multiple choice answer is it
The atomic number of an atom represents the number of protons in the atom.
which one of these answers is it the number of neutrons in the atom
the number of neutrons in the atom
the number of protons in the atom
the number of protons in the atom
the number of particles in the nucleus of the atom
the number of particles in the nucleus of the atom
the number of particles outside the nucleus of the atom
the number of particles outside the nucleus of the atom
The correct answer is: The atomic number of an atom represents the number of protons in the atom.
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
carbon atoms
carbon atoms
hydrogen atoms
hydrogen atoms
bonds between atoms
bonds between atoms
oxygen atoms
oxygen atoms
The black balls in the model represent carbon atoms.
Molecules and Structures Quick Check
2 of 42 of 4 Items
Question
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
4 atoms
4 atoms
6 atoms
6 atoms
1 atom
1 atom
2 atoms
2 atoms
This molecule has 2 atoms of carbon.
Molecules and Structures Quick Check
3 of 43 of 4 Items
Question
Which term describes the repeated arrangement of the same molecule?(1 point)
Responses
atoms
atoms
extended structure
extended structure
bonds
bonds
molecular mode
The term that describes the repeated arrangement of the same molecule is "extended structure".
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
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
one gray sphere, four white spheres, one red sphere
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
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