Chemical Equations

Chemical Equations

Assessment

Flashcard

Chemistry

6th - 7th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.

2.

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.

3.

FLASHCARD QUESTION

Front

What is the formula for three hydrogen (H), one sulfur (S), and four oxygen (O)?

Back

H₃SO₄

4.

FLASHCARD QUESTION

Front

How do you determine if a chemical equation is balanced?

Back

Count the number of atoms of each element on both sides of the equation and compare them.

5.

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.

6.

FLASHCARD QUESTION

Front

What happens when you add a coefficient to a molecule?

Back

It multiplies all of the elements in the molecule by that coefficient.

7.

FLASHCARD QUESTION

Front

How many atoms are in the molecule H₂SO₄?

Back

There are 7 atoms in total: 2 hydrogen (H), 1 sulfur (S), and 4 oxygen (O).

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?