Balancing equations

Balancing equations

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

NGSS
MS-PS1-5, MS-PS1-2, MS-PS1-1

Standards-aligned

Created by

Wayground Content

FREE Resource

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20 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Is this equation balanced?

Media Image

Back

no

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

FLASHCARD QUESTION

Front

Fill in the blanks with coefficient: PCl5+_ H2O→_ HCl+H3PO4

Back

4, 5

Tags

NGSS.MS-PS1-5

3.

FLASHCARD QUESTION

Front

Balance this equation
_Zn+_HCl-->_ZnCl+_H2

Back

1,2,1,1

Tags

NGSS.MS-PS1-5

4.

FLASHCARD QUESTION

Front

Balance this equation:
_Mg + _Cl2 --> _MgCl2

Back

already balanced

Tags

NGSS.MS-PS1-5

5.

FLASHCARD QUESTION

Front

Balance this equation
_N+ _H--> _NH3

Back

1,3,2

Tags

NGSS.MS-PS1-5

6.

FLASHCARD QUESTION

Front

How many atoms of aluminum are on each side of the following equation: 4Al + 3O--> 2AlO3

Back

4

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

7.

FLASHCARD QUESTION

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Tags

NGSS.MS-PS1-5

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