
Chemical Bonds, Formulas, and Law of Conservation
Authored by CHRISTOPHER NICHOLS
Science
8th Grade
NGSS covered
Used 256+ times

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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
New substances produced by a chemical reaction are _______.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The law of conservation of mass states that _______.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are valence electrons?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If an atom has 7 protons and 7 electrons what charge will it have?
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How many valence electrons does oxygen have?
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
An electron has what kind of charge?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms of carbon (C) are in C6H12O6?
Tags
NGSS.MS-PS1-1
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