

Smores Flashcard
Flashcard
•
Science, Chemistry, Biology
•
6th - 10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved during the reaction.
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical reaction?
Back
Reactants are the starting substances that undergo a chemical change in a reaction.
3.
FLASHCARD QUESTION
Front
What are products in a chemical reaction?
Back
Products are the substances that are formed as a result of a chemical reaction.
4.
FLASHCARD QUESTION
Front
What does it mean if a chemical equation is not balanced?
Back
It means that the number of atoms of each element is not the same on both sides of the equation, violating the law of conservation of mass.
5.
FLASHCARD QUESTION
Front
What is the purpose of coefficients in a chemical equation?
Back
Coefficients are numbers placed before compounds in a chemical equation to indicate how many molecules or moles of that substance are involved in the reaction.
6.
FLASHCARD QUESTION
Front
What do subscripts in a chemical formula represent?
Back
Subscripts indicate the number of atoms of each element in a molecule.
7.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction; it can only change forms.
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