CBA 1 Review 25-26
Authored by HEATHER FRIEDMAN
Science
7th Grade
NGSS covered
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61 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are found in the chemical formula CO₂, _______
2
1
3
4
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in the chemical formula O₂, _______
2
1
3
4
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in the chemical formula C₁₂H₂₂O₁₁, _______
45
23
35
52
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are in: C₁₂H₂₂O₁₁,
3
2
4
1
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the formula F₂, fill in the number of elements: _______
1
2
3
4
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in H₂O₂
4
2
3
5
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the formula C₃H₈, fill in the number of atoms: _______
11
8
10
12
Tags
NGSS.MS-PS1-1
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