Balancing Chemical Equations
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Easy
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20 questions
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1.
FLASHCARD QUESTION
Front
Law of Conservation of Mass:
Back
Matter cannot be gained or lost in a chemical reaction.
2.
FLASHCARD QUESTION
Front
Left part of a chemical equation: 2H₂ + O₂ → 2H₂O
Back
Reactants
3.
FLASHCARD QUESTION
Front
Right part of a chemical equation: 2H₂ + O₂ → 2H₂O
Back
Products
4.
FLASHCARD QUESTION
Front
Total atoms in 5Na₃PO₄
Back
40
5.
FLASHCARD QUESTION
Front
Mn atoms in 3Cr(MnO₄)₆
Back
18
6.
FLASHCARD QUESTION
Front
Little number after an element in a chemical equation (e.g., H₂)
Back
Subscript
7.
FLASHCARD QUESTION
Front
Equation: Al + O₂ → 2Al₂O₃
Back
No!
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