CPC2 Review
Authored by Kristin Reynolds
Chemistry
8th Grade
NGSS covered
Used 1+ times
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which model represents an ammonia molecule, NH3, where N is represented by a dark circle and H is represented by a light circle?
A model with one dark circle and three light circles
A model with two dark circles and two light circles
A model with three dark circles and one light circle
A model with four light circles
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement BEST describes this model?
The model shows a single atom that is made of two molecules.
The model shows a single molecule that is made of two atoms.
The model shows a single atom that is made of three molecules.
The model shows a single molecule that is made of three atoms.
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Water is…
an atom made of two compounds, 2 hydrogen and 1 oxygen.
a solution made of two compounds, 2 hydrogen and 1 oxygen.
a molecule made of three atoms, 2 hydrogen and 1 oxygen.
an element made of three atoms, 2 hydrogen and 1 oxygen.
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iron is an element. What does an element of iron contain?
one mixed substance of two different metals
one kind of compound
a simple mixture of different atoms
a single type of atom
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the reactants in this chemical equation? CH₄ + 2O₂ → CO₂ + 2H₂O
CH₄ and O₂
CO₂ and H₂O
CH₄ and CO₂
O₂ and H₂O
Tags
NGSS.MS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is this chemical equation balanced or unbalanced? 4SO₄ + (NH₃)₂ ⟶ 6NO₂H + S₄
balanced
unbalanced
Tags
NGSS.MS-PS1-5
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Which of the following diagrams represents a chemical change?
Evaluate responses using AI:
OFF
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
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