Chemical Formulas
8th Grade
•15 Qs
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Chemical Formulas
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lisa Thompson
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the compound sodium sulfate, Na2SO4, there are ___ sulfur atoms in a formula unit.
1
2
3
4
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the compound magnesium nitrate, Mg(NO3)2, there are ___ magnesium atoms in a formula unit.
1
2
3
5
6
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the compound magnesium nitrate, Mg(NO3)2, there are ___ nitrogen atoms in a formula unit.
1
2
3
5
6
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the compound magnesium nitrate, Mg(NO3)2, there are ___ oxygen atoms in a formula unit.
1
2
3
5
6
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for caffeine is C8H10N4O2. There are ___ total atoms in a molecule.
4
8
24
640
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for caffeine is C8H10N4O2. There are ___ different elements in a molecule.
4
8
24
640
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The formula for caffeine is C8H10N4O2. There are ___ carbon atoms in a molecule.
4
8
2
10
Tags
NGSS.MS-PS1-1
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