Balancing chemical equations
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products involved.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical equation?
Back
Reactants are the substances that undergo a chemical change in a reaction, found on the left side of the equation.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
3.
FLASHCARD QUESTION
Front
What are products in a chemical equation?
Back
Products are the substances formed as a result of a chemical reaction, found on the right side of the equation.
Tags
NGSS.MS-PS1-5
4.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
Balancing a chemical equation means ensuring that the number of atoms of each element is the same on both sides of the equation.
Tags
NGSS.MS-PS1-5
5.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction.
Tags
NGSS.MS-PS1-5
6.
FLASHCARD QUESTION
Front
How do you determine if a chemical equation is balanced?
Back
Count the number of atoms of each element on both sides of the equation; if they are equal, the equation is balanced.
Tags
NGSS.MS-PS1-5
7.
FLASHCARD QUESTION
Front
What is the significance of coefficients in a chemical equation?
Back
Coefficients indicate the number of molecules or moles of a substance involved in the reaction.
Tags
NGSS.MS-PS1-1
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