Chemical Reactions Flashcard
Flashcard
•
Science
•
KG
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a reactant in a chemical reaction?
Back
A chemical substance that is present at the start of a chemical reaction.
2.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A chemical equation with the same number of atoms of each element on both sides.
3.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A number in front of a chemical formula indicating how many molecules or atoms are involved.
4.
FLASHCARD QUESTION
Front
What is a product in a chemical reaction?
Back
A substance formed as a result of a chemical reaction.
5.
FLASHCARD QUESTION
Front
What is an ion?
Back
An atom or group of atoms that has a positive or negative charge.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process in which one or more substances are changed into other substances.
7.
FLASHCARD QUESTION
Front
What does it mean to balance a chemical equation?
Back
To ensure that the number of atoms of each element is the same on both sides of the equation.
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