Evidence of Chemical Reactions
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to atoms during a chemical reaction?
Back
They rearrange to form new products.
2.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
Mass is never created or destroyed.
3.
FLASHCARD QUESTION
Front
What is evidence of a chemical reaction?
Back
Anything that shows a new substance has formed.
4.
FLASHCARD QUESTION
Front
What do we call everything to the right of the arrow in a chemical equation?
Back
Products.
5.
FLASHCARD QUESTION
Front
In the equation 2Mg + O2 ---> 2MgO, what are the reactants?
Back
Mg and O.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where substances (reactants) are transformed into new substances (products).
7.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A substance that undergoes change in a chemical reaction.
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