What is a chemical equation?
Chemical Equations

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Chemistry
•
6th - 7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.
2.
FLASHCARD QUESTION
Front
What does it mean for a chemical equation to be balanced?
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.
3.
FLASHCARD QUESTION
Front
What is the formula for three hydrogen (H), one sulfur (S), and four oxygen (O)?
Back
H₃SO₄
4.
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 and compare them.
5.
FLASHCARD QUESTION
Front
What is a 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.
6.
FLASHCARD QUESTION
Front
What happens when you add a coefficient to a molecule?
Back
It multiplies all of the elements in the molecule by that coefficient.
7.
FLASHCARD QUESTION
Front
How many atoms are in the molecule H₂SO₄?
Back
There are 7 atoms in total: 2 hydrogen (H), 1 sulfur (S), and 4 oxygen (O).
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