
Chemical Formulas/Equations
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
The materials we END with in a reaction are the _______________.
Back
products
2.
FLASHCARD QUESTION
Front
Take inventory: H = 2, O = 1. What does this represent?
Back
The number of atoms of each element in a chemical formula.
3.
FLASHCARD QUESTION
Front
A chemical ________________ uses formulas, plus signs, and an arrow to represent a REACTION.
Back
equation
4.
FLASHCARD QUESTION
Front
A chemical ______________ represents a substance.
Back
formula
5.
FLASHCARD QUESTION
Front
Because of the Law of Conservation of Mass, the reactants and products should be ________________.
Back
equal
6.
FLASHCARD QUESTION
Front
What is the Law of Conservation of Mass?
Back
Matter cannot be created or destroyed in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What do coefficients in a chemical equation represent?
Back
The number of molecules or moles of a substance.
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?