Pre AP - Balancing Equation Quick Check - Day 1

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Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
How many elements are in the compound C2H8O?
Back
3
2.
FLASHCARD QUESTION
Front
Which equation is balanced?
Back
2Na + 2H2O --> 2NaOH + H
3.
FLASHCARD QUESTION
Front
What is a coefficient?
Back
The large number to the left of a formula.
4.
FLASHCARD QUESTION
Front
Balance this equation: _Mg + _Cl2 --> _MgCl2
Back
already balanced
5.
FLASHCARD QUESTION
Front
How many atoms of aluminum are on each side of the equation: 4Al + 3O2 --> 2Al2O3?
Back
4
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 for an equation to be balanced?
Back
The number of atoms for each element is the same on both sides of the equation.
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