Chemical Reactions
Flashcard
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
Matter cannot be created nor destroyed; it can only be transformed or changed.
2.
FLASHCARD QUESTION
Front
What does a subscript in a chemical formula indicate?
Back
The number of atoms of each element in a compound.
3.
FLASHCARD QUESTION
Front
Back
22
4.
FLASHCARD QUESTION
Front
What occurs when a metal rusts?
Back
A different chemical substance is formed.
5.
FLASHCARD QUESTION
Front
What does a coefficient in a chemical equation represent?
Back
The number of molecules in a compound and is used to balance a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process that leads to the transformation of one set of chemical substances to another.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change does not alter the chemical composition of a substance, while a chemical change does.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
