What is the Law of Conservation of Mass?
Day 4 - Law of Conservation of Mass - EOG Review

Flashcard
•
Science
•
8th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The Law of Conservation of Mass states that in a closed system, the total mass of reactants before a chemical reaction is equal to the total mass of products after the reaction.
2.
FLASHCARD QUESTION
Front
What are subscripts in a chemical formula?
Back
Subscripts are numbers written below and to the right of a chemical symbol in a formula, indicating the number of atoms of that element in a molecule.
3.
FLASHCARD QUESTION
Front
Identify the subscripts in the chemical formula 3Fe₂O₄.
Back
The subscripts are 2 and 4.
4.
FLASHCARD QUESTION
Front
What is a coefficient in a chemical equation?
Back
A coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.
5.
FLASHCARD QUESTION
Front
What is the coefficient in the formula 3H₂O?
Back
The coefficient is 3.
6.
FLASHCARD QUESTION
Front
How many sodium (Na) atoms are in the compound 6NaCl?
Back
There are 6 sodium (Na) atoms.
7.
FLASHCARD QUESTION
Front
What does it mean for a chemical equation to be balanced?
Back
A balanced chemical equation has the same number of each type of atom on both sides of the equation, indicating that mass is conserved.
Create a free account and access millions of resources
Similar Resources on Quizizz
12 questions
Counting Atoms with Coefficients

Flashcard
•
8th Grade
12 questions
8.5D Counting Atoms

Flashcard
•
8th Grade
15 questions
Law of Conservation of Mass

Flashcard
•
8th Grade
15 questions
Law of Conservation of Mass

Flashcard
•
8th Grade
15 questions
Balancing Chemical Equations

Flashcard
•
8th Grade
15 questions
Counting Atoms

Flashcard
•
8th Grade
15 questions
Counting Elements and Atoms

Flashcard
•
8th Grade
10 questions
Day 4 - Law of Conservation of Mass - EOG Review

Flashcard
•
8th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade