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Authored by Jordan Martinez
Science
7th Grade
NGSS covered
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the relationship between O₂ and CO₂?
Both are elements.
CO₂ is an element, while O₂ is a compound.
O₂ is a molecule made of one type of element, while CO₂ is a compound.
O₂ and CO₂ are both compounds.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many types of elements are in the chemical formula HClO₃?
A. 2
B. 3
C. 4
D. 5
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula for glucose (C₆H₁₂O₆), how many different elements are present?
1
2
3
6
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acetone (C₃H₆O) is used in nail polish remover. How many carbon atoms are present in one molecule of acetone?
A. 2
B. 3
C. 6
D. 1
Tags
NGSS.MS-PS1-1
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following represent compounds? (Select two)
H₂
CO
Na
H₂O
Tags
NGSS.MS-PS1-1
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which correctly lists two elements? (Select two)
A. H₂O and NaCl
B. O₂ and N₂
C. CO₂ and NaCl
D. H₂ and B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What classification best describes a molecule of H₂O?
Element
Mixture
Compound
Solution
Tags
NGSS.MS-PS1-1
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