Counting Atoms Practice
Authored by Anna Lavender
Science
6th - 8th Grade
NGSS covered
Used 875+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total atoms are in the compound for ammonia, NH3
2
3
4
5
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many elements are in the compound for propane, C3H8
2
3
8
11
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chemical formula for glucose is C6H12O6. How many hydrogen atoms are in glucose?
3
6
12
24
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NaCl is the chemical formula for salt. Is NaCl considered a compound or an element?
element
compound
both
neither
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many total atoms are in the compound 2H2O?
2
3
4
6
Tags
NGSS.MS-PS1-1
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
The chemical formula for baking soda is NaHCO3. How many total atoms are in this chemical formula?
3
4
5
6
Tags
NGSS.MS-PS1-1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
We breathe oxygen. Its chemical formula is O2. Is this formula an element or a compound?
element
compound
neither
both
Tags
NGSS.MS-PS1-1
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