Chemical formulas and Reactions

Chemical formulas and Reactions

7th - 8th Grade

•

32 Qs

quiz-placeholder

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Chemical formulas and Reactions

Chemical formulas and Reactions

Assessment

Quiz

•

Science

•

7th - 8th Grade

•

Medium

•
NGSS
MS-PS1-1, MS-PS1-5, MS-PS1-2

+3

Standards-aligned

Created by

Sarah Dantin

Used 5+ times

FREE Resource

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32 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

CH2Cu8 - How many Copper atoms are in this formula?

1

2

8

16

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many total atoms are in this formula? 3Zn2O3H

6

9

18

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the coefficient for this formula? 9NaCl2

9

2

1

11

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This tells you the number of molecules you have of a substance

coefficient

subscript

exponent

chemical formula

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This tells you how many atoms of an element you have in a chemical formula

coefficient

subscript

chemical symbol

atomic number

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is this equation balanced?

2H2O yields H2 + 2O2

Yes

No

Tags

NGSS.MS-PS1-5

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This equation is not balanced. Which element has more atoms on one side than the other?

2HCl + CaCO3 yields CaCl + H2O + CO2

Cl

Ca

H

O

Tags

NGSS.MS-PS1-5

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