Balancing chemical equations

Balancing chemical equations

7th Grade

12 Qs

quiz-placeholder

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Balancing chemical equations

Balancing chemical equations

Assessment

Quiz

Science

7th Grade

Practice Problem

Medium

NGSS
MS-PS1-5, MS-PS1-1

Standards-aligned

Created by

G McDonald

Used 783+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the left part of a chemical equation called?

2H2 + O2 ---> 2H2O

Reactants

Yields

Products

Chemical equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the right part of a chemical equation called?

2H2 + O2 ---> 2H2O

Reactants

Yields

Products

Chemical Equation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of atoms present in 5Na3PO4?

5

55

40

8

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many Mn atoms are found in the following compound?

2MnO4

1

2

4

8

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the little number after an element in a chemical equation called?

Example: H2

Coefficient

Atom

Subscript

Equation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is the following equation balanced?

Al + O2 ---> 2Al2O3

YES

NO

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is the following equation balanced?

2C2H2 + 5O2 ---> 4CO2 + 2H2O

YES

NO

Tags

NGSS.MS-PS1-5

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