How many atoms of Oxygen (O) are in 4MgO?
Balancing Chemical Equations

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Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
4
2.
FLASHCARD QUESTION
Front
Is O2 an Element or a Compound?
Back
Element
3.
FLASHCARD QUESTION
Front
How many Hydrogen are in 4H2O?
Back
8
4.
FLASHCARD QUESTION
Front
How many atoms of Oxygen (O) are in C6H12O6?
Back
6
5.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Matter?
Back
A law stating that atoms are not created or destroyed during a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A representation of a chemical reaction using symbols and formulas.
7.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
To ensure that the number of atoms for each element is the same on both sides of the equation.
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