Chemical Formulas
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
FREE Resource
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16 questions
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1.
FLASHCARD QUESTION
Front
How many Aluminum are in Al₂O₃?
Back
2
Tags
NGSS.MS-PS1-1
2.
FLASHCARD QUESTION
Front
The small number to the right of an elemental symbol (H₂) is called?
Back
a subscript
3.
FLASHCARD QUESTION
Front
How many elements are in C₆H₁₂O₆?
Back
3
Tags
NGSS.MS-PS1-1
4.
FLASHCARD QUESTION
Front
Which are the reactants in the following reaction? 2Mg + O₂ ---> 2MgO
Back
2Mg and O₂
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
How many carbon atoms (C) are in a CO₂ molecule?
Back
1
Tags
NGSS.MS-PS1-1
6.
FLASHCARD QUESTION
Front
What is a chemical formula?
Back
A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.
7.
FLASHCARD QUESTION
Front
What does a coefficient in a chemical equation represent?
Back
The number of molecules or moles of a substance involved in a reaction.
Tags
NGSS.MS-PS1-1
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