What is a balanced chemical equation?
Balance Equations

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Chemistry
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7th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 a chemical reaction.
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 a chemical equation.
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 a chemical equation.
4.
FLASHCARD QUESTION
Front
What does the arrow (→) in a chemical equation represent?
Back
The arrow represents the direction of the reaction, indicating that reactants are transformed into products.
5.
FLASHCARD QUESTION
Front
How do you determine the number of atoms in a compound?
Back
To determine the number of atoms in a compound, multiply the subscript of each element by the coefficient in front of the compound, then sum the total.
6.
FLASHCARD QUESTION
Front
What is the coefficient in a chemical equation?
Back
A coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.
7.
FLASHCARD QUESTION
Front
How many hydrogen atoms are in 4H₂O?
Back
There are 8 hydrogen atoms in 4H₂O (4 x 2 = 8).
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