Chemical Reactions

Chemical Reactions

8th Grade

20 Qs

quiz-placeholder

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Chemical Reactions

Chemical Reactions

Assessment

Quiz

Chemistry

8th Grade

Practice Problem

Medium

NGSS
MS-PS1-5, MS-PS1-1, HS-PS1-7

+1

Standards-aligned

Created by

Truax Kelly

Used 2K+ times

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20 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

According to the law of conservation of mass, matter cannot be created or ________

Tags

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or False: In a complete chemical equation, there must be the same number of atoms of each element on the reactants and products side.

True

False

Tags

NGSS.MS-PS1-5

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In a chemical reaction, atoms ________ and form new bonds.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Look at the chemical equation.


How many atoms of mercury (Hg) are in the reactants?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Look at the chemical equation.


How many atoms of oxygen (O) are in the reactants?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Look at the chemical equation.


How many atoms of mercury (Hg) are in the products?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Look at the chemical equation.


How many atoms of oxygen (O) are in the products?

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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