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Atoms, Elements, Compounds, Mixtures Assessment

Last updated over 4 years ago

29 questions

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Question 20

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Question 21

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Question 22

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What is the building block of all matter called?

Question 23

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A substance made up of only one type of atom is called an

Question 24

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Two or more different atoms of elements chemically combined is called a

Question 25

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Question 26

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Question 27

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Question 28

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Question 29

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Extra Credit
Tell me the number of molecules, number of elements, number of atoms for each element, and total atoms for 3Fe2O3

This is a picture of a(an) __________, the building block of matter.

compound

mixture

element

atom

In the picture above, water is an example of 

an atom

an element

a compound

a mixture

all of the above

Silver is found on the periodic chart.  Therefore, it must be a (an)

element

compound

mixture

all of the above

The yellow on the right part of the periodic chart represents what type of element?

nonmetal

metaloid

metal

Using this key, which model below represents AlOH3?

If the symbol for the yellow element is Y and the symbol for the purple element is P.  What is the correct chemical formula for EVERYTHING in the square?

4Y3P2

4Y2P2

6Y8P8

9Y2P2

This is a picture of an insulin molecule.  Its formula is C257H383N65O77S6
Is it an element, a compund, or a mixture?

atom

compound

element

mixture

How many molecules are there in the formula 4C2H3?

20

3

4

2

How many elements are there in 4Na2KCl?

4

3

16

2

Use the key above to answer the question below.
Which model below best represents the formula 2KCl?

Use the information below to answer the following question.
N = nitrogen
Cl = chlorine
H = hydrogen
C = carbon
Na = sodium
What elements make up the molecule NaCl?

nitrogen and carbon

nitrogen and chlorine

sodium and carbon

sodium and chlorine

What does the picture above represent and why?

elements because they are only connected to other atoms of the same color

elements because there are 3 different colors

compounds because there are more than one atom in each model

compounds because there are 3 different colors

The picture above is an example of a(an)

element

atom

compound

The picture above best represents which of the following?

an element

a homogeneous mixture

a heterogeneous mixture

a compound

The picture above best represents which of the following? (Only the soda, NOT the ice. Choose the BEST scientific answer)

a homogeneous mixture

my favorite soda

a heterogeneous mixture

an element

a compound

The image above best represents what? (choose the BEST scientific answer)

something I am craving right now

a homogeneous mixture

an element

a heterogeneous mixture

The image above best represents what?

a hetergeneous mixture

an element

a compound

independent variable

Which friend is most correct?

William

Natalie

Gwyneth

Hoda

George

These particles are most likely in what state?

Solid

Liquid

Gas

All of the above

The ________ tells you how many atoms of an element are in the compound.

element 

subscript 

coefficient 

periodic table

Two or more atoms joined together is called a Molecule. 

True

False

Gas particles have the least amount of kinetic energy, particles are slow, and particles virbrate. 

True

False

Solid has defintie shape and does not change volume 

True

False

Liquid does....

change shape and change volume

change shape but not volume 

not change shape but change volume

not change shape and not change volume 

The element chlorine is a 

solid

liquid

gas