
Chemical Formula Bonds and Equations
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a coefficient?
Back
A constant that multiplies a variable in a chemical equation.
2.
FLASHCARD QUESTION
Front
What is an element?
Back
A substance that cannot be decomposed into simpler substances by chemical means.
3.
FLASHCARD QUESTION
Front
What is a compound?
Back
A substance formed when two or more elements are chemically bonded together.
4.
FLASHCARD QUESTION
Front
What is a molecule?
Back
The smallest unit of a chemical compound that retains its chemical properties.
5.
FLASHCARD QUESTION
Front
What is the law of conservation of matter?
Back
Matter cannot be created or destroyed in a chemical reaction; it can only change forms.
6.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A symbolic representation of a chemical reaction showing the reactants and products.
7.
FLASHCARD QUESTION
Front
What are reactants?
Back
Substances that undergo a chemical change in a reaction.
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