Balancing Equations
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the little number after an element in a chemical equation called?
Back
Subscript
2.
FLASHCARD QUESTION
Front
What is the total number of atoms present in 5Na₃PO₄?
Back
40
3.
FLASHCARD QUESTION
Front
Is H₂O an element or a compound?
Back
Compound
4.
FLASHCARD QUESTION
Front
Balance the following equation: ___ H₂ + ___ O₂ → ___ H₂O
Back
2, 1, 2
5.
FLASHCARD QUESTION
Front
Is the following equation balanced? 4Fe + 3O₂ → 2Fe₂O₃
Back
Yes
6.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A number placed in front of a chemical formula to indicate how many molecules are present.
7.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
To ensure that the number of atoms of each element is the same on both sides of the equation.
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