Counting Atoms in a Compound Practice

Quiz
•
Science
•
8th Grade
•
Medium
Standards-aligned
Kanti Choudhari
Used 45+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in O2 ?
1
2
3
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of each element are in NaCl?
Na=1, Cl=1
Na=2. Cl=2
Na=1, Cl-2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
C6H12O6 has how many total atoms?
6
12
24
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are in this substance: CaCO3
2
3
4
5
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5 N2O represents the laughing gas you might have at the dentist. How many atoms of nitrogen are present here?
1
2
7
10
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many Magnesium atoms are in 10MgCl2?
10
5
20
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tags
NGSS.MS-PS1-1
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