6th - Counting Atoms, Classifying and Balancing Equations
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a chemical equation?
Back
A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products involved.
2.
FLASHCARD QUESTION
Front
What are reactants in a chemical equation?
Back
Reactants are the starting substances that undergo a chemical change in a reaction.
3.
FLASHCARD QUESTION
Front
What are products in a chemical equation?
Back
Products are the substances formed as a result of a chemical reaction.
4.
FLASHCARD QUESTION
Front
What is the purpose of balancing a chemical equation?
Back
The purpose of balancing a chemical equation is to ensure that the number of atoms of each element is the same on both sides of the equation, following the law of conservation of mass.
5.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A coefficient is a large 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
How many oxygen atoms are in 2H2O?
Back
4
7.
FLASHCARD QUESTION
Front
How many chlorine atoms are in 3MgCl2?
Back
6
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