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compounds, mixtures, and elements

Authored by Kimberly Davis

Science

8th Grade

NGSS covered

Used 282+ times

compounds, mixtures, and elements
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pure substance that cannot be separated into simpler substances by chemical or physical means.  

Element
Compound
Mixture
Chemical

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

These contain only one kind of atom. 

element 
compound 
mixture 
water 

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents an element?

H2O
H2
NaCl
CaCO3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carbon Dioxide is a ______ 

compound 
element 
mixtures 
Battle of Bunker Hill 

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

This picture represents which of the following?

element
compound
mixture of elements
mixture of compounds

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would be an example of a chemical formula:

C6H12O6
F= ma
2 H2 + O2 -> 2 H2O
6.02 x 10 23

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is not a compound?

HCl
Cl
NaCl
CO2

Tags

NGSS.MS-PS1-1

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