Chemical Formulas Practice
Authored by Michelle Brumley
Science
8th Grade
NGSS covered
Used 233+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What does the subscript in a chemical formula tell you?
How many molecules are present
How many atoms are present
How many elements are present
How many neutrons are present
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the correct chemical formula for the compound pictured?
H2
H2O
O2
H2O2
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Lists the "ingredients" of a molecule or compound-- the chemical symbols and numbers of atoms present.
chemical symbol
coefficient
subscript
chemical formula
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The basic unit of an element is called ___
atom
element
proton
product
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
____ is a substance that can't be broken down. It's made of one kind of atom.
atom
element
mixture
product
6.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Which of the models best represents CaCO3?
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What molecule is shown?
CO2
NH4
H2O
O2H
Tags
NGSS.MS-PS1-1
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