Characteristics of Chemical Reactions Vocabulary
Flashcard
•
Science
•
7th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a precipitate?
Back
An insoluble solid formed from a chemical reaction.
2.
FLASHCARD QUESTION
Front
Which of the following is NOT an indicator (evidence) of a chemical reaction?
Back
Change in state of matter.
3.
FLASHCARD QUESTION
Front
What does the nucleus of an atom contain?
Back
Protons and neutrons.
4.
FLASHCARD QUESTION
Front
What is an example of a compound?
Back
Carbon dioxide (CO2).
5.
FLASHCARD QUESTION
Front
Most of the mass in an atom is made up of _____________________?
Back
Protons and neutrons.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process that involves the rearrangement of the molecular or ionic structure of a substance.
7.
FLASHCARD QUESTION
Front
What is an indicator of a chemical reaction?
Back
A change that provides evidence that a chemical reaction has occurred.
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