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Chemical Reactions: Counting atoms, coefficients and subscripts
Authored by Olga Zenteno
Science
9th Grade
NGSS covered
Used 11+ times
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15 questions
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1.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number "O" of atoms for each element in the compound: H₃BO₃
(a)
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the reactants of the formula:
CH4 +CO2
CH4+ 2O2
CO2+202
CO2+ 2H20
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
3.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number of "O" atoms for each element in the compound: Al(OH)₃
(a)
Tags
NGSS.MS-PS1-1
4.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number of "Al " atoms for each element in the compound: Al(OH)₃
(a)
Tags
NGSS.MS-PS1-1
5.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number "H" atoms for each element in the compound: H₃BO₃
(a)
Tags
NGSS.MS-PS1-1
6.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number of "H " atoms for each element in the compound: Al(OH)₃
(a)
Tags
NGSS.MS-PS1-1
7.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Determine the number of atoms for each element in the compound: OC(NH₂)₂
O =
C =
N =
H =
(a)
Tags
NGSS.MS-PS1-1
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