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Review Chemical Reactions & Conservation of Matter
Authored by Tasmine Poole
Science
6th - 8th Grade
NGSS covered
Used 8+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to FIGURE 1, how many total atoms make up the molecule glucose?
16
12
18
24
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The names of many covalent compounds use prefixes. According to Table 1, how many nitrogen atoms are found in the compound Dinitrogen monoxide?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the compound 2CO, what is the 2 called?
a number
the coefficient
a subscript
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Read the Math Practice: Counting Atoms.
How many oxygen atoms are there in the compound Mg(OH)2?
1
2
3
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Read the Math Practice: Counting Atoms.
How many oxygen atoms are there in the compound Al2(SO4)3?
4
3
12
16
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between CO and Co?
CO is the compound carbon monoxide and Co is the element cobalt.
CO is the element cobalt and Co is the compound carbon monoxide.
Co is a colorless, odorless gas where CO is a hard bluish gray metal
7.
MATCH QUESTION
30 sec • 5 pts
Uses chemical symbols and formulas to describe a chemical reaction.
Law of Conservation of Mass
A substance or molecule that participates in a chemical reaction.
reaction
The substance that forms in a chemical reaction.
product
A shorthand way to use chemical symbols and numbers to represent a substance.
chemical equation
States that mass cannot be created or destroyed in ordinary chemical and physical changes.
chemical formula
Tags
NGSS.MS-PS1-5
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