Chemical Formulas and Reactions Vocabulary
Authored by Jennifer Fuentes
Science
8th Grade
NGSS covered
Used 33+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best defines Chemical Change?
The formation of a new substance that cannot be undone by physical means
The change in a substance's state of matter (e.g. liquid to gas)
The change in the appearance of a substance but NOT the chemical formula.
Tags
NGSS.MS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a representation of a chemical reaction by symbols and numbers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a representation of a molecule or compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a change caused by the interaction of two or more substances (reactants) resulting in the formation of new substances (products)
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the number written in front of a chemical formula; represents the number of molecules present
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a substance made of two or more elements
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
matter is not created or destroyed; only rearranged
Tags
NGSS.MS-PS1-5
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