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Atoms, Elements, Compounds, Mixtures Assessment

Last updated over 4 years ago

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Question 1

1.

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

compound

mixture

element

atom

Question 2

2.

In the picture above, water is an example of

an atom

an element

a compound

a mixture

all of the above

Question 3

3.

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

element

compound

mixture

all of the above

Question 4

4.

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

nonmetal

metaloid

metal

Question 5

5.

Using this key, which model below represents AlOH3?

Question 6

6.

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

Question 7

7.

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

Question 8

8.

How many molecules are there in the formula 4C2H3?

20

3

4

2

Question 9

9.

How many elements are there in 4Na2KCl?

4

3

16

2

Question 10

10.

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

Question 11

11.

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

Question 12

12.

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

Question 13

13.

The picture above is an example of a(an)

element

atom

compound

Question 14

14.

The picture above best represents which of the following?

an element

a homogeneous mixture

a heterogeneous mixture

a compound

Question 15

15.

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

Question 16

16.

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

Question 17

17.

The image above best represents what?

a hetergeneous mixture

an element

a compound

independent variable

Question 18

18.

Which friend is most correct?

William

Natalie

Gwyneth

Hoda

George

Question 19

19.

These particles are most likely in what state?

Solid

Liquid

Gas

All of the above

Question 20

20.

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

element 

subscript 

coefficient 

periodic table

Question 21

21.

Two or more atoms joined together is called a Molecule.

True

False

Question 22

22.

What is the building block of all matter called?

Question 23

23.

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

Question 24

24.

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

Question 25

25.

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

True

False

Question 26

26.

Solid has defintie shape and does not change volume

True

False

Question 27

27.

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 

Question 28

28.

The element chlorine is a

solid

liquid

gas

Question 29

29.

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