Counting Atoms and Chemical Reactions
Authored by Chris Pendergraft
Science
12th Grade
NGSS covered
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number 3 in the following compound?
2KClO3
Exponent
Synthesis
Coefficient
Subscript
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the number 4 in the following compound?
4HCl2
Exponent
Synthesis
Coefficient
Subscript
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many atoms are in the following compound?
14
4
10
2
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many atoms are in the following equation?
2(KClO3)
6
18
10
5
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in the following equation?
3Mg(C3H6O3)2
17
38
72
75
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the following equation balanced?
HgO -> Hg + O2
Yes
No
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the following equation balanced?
CH4 + 4Cl2 -> CCl4 + 4HCl
Yes
No
Tags
NGSS.MS-PS1-5
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