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Unit One Review

Total questions: 70

Worksheet time: 39mins

Name
Class
Date
1.

Basic building block of all matter, cannot normally be divided into smaller parts.

a)

atom

b)

element

c)

molecule

d)

compound

e)

mixture

2.

A pure substance made of a single type of atom, all of them are on the periodic table.

a)

atom

b)

element

c)

molecule

d)

compound

e)

mixture

3.

Nucleus

a)

center of an atom, contains protons and neutrons

b)

the number of protons in the nucleus of an atom

c)

Number of protons and neutrons

d)

a magical bean

4.

Electron

a)

positively charged particle found in the nucleus of an atom

b)

negatively charged particle, surrounds the nucleus

c)

atomic mass - atomic number

d)

Number of protons and neutrons

5.
Proton
a)
positively charged particle found in the nucleus of an atom
b)
the number of protons in the nucleus of an atom
c)
negatively charged particle, circles the nucleus in orbitals
d)
center of an atom, contains protons and neutrons
6.
Neutron
a)
negatively charged particle, circles the nucleus in orbitals
b)
positively charged particle found in the nucleus of an atom
c)
a pure substance made of a single type of atom
d)
particle with neutral charge found in the nucleus
7.

Created the Planetary Model of the atom that says electrons orbit the nucleus in a pattern

a)

Bohr

b)

Dalton

c)

Rutherford

d)

Chadwick

8.

Fill in the missing blank

a)

11

b)

23

c)

12

9.

Fill in the missing blank

a)

N

b)

Ne

c)

No

10.

Fill in the missing blank

a)

28

b)

7

c)

14

11.

Fill in the missing blank

a)

27

b)

13

c)

14

12.

Fill in the missing blank

a)

15

b)

30

c)

31

d)

16

13.

Fill in the blank (rounded to the nearest whole number)

a)

15

b)

16

c)

20

14.

Fill in the blank

a)

Manganese

b)

Magnesium

c)

Mercury

15.

Fill in the blank

a)

18

b)

40

c)

22

16.

The number of protons and the number of electrons are equal in a balanced atom

a)

true

b)

false

17.

The number of neutrons is equal to the number of protons minus the number of electrons.

a)

true

b)

false

18.

If an atom has more protons than electrons, what kind of charge will it have?

a)

positive

b)

negative

19.

If an atom has more electrons than protons, what kind of overall charge will it have?

a)

positive

b)

negative

20.

What member of the atoms family is this?

a)

Elliot Electron

b)

Patty Proton

c)

Nelda Neutron

21.

What member of the atoms family is this?

a)

Elliot Electron

b)

Patty Proton

c)

Nelda Neutron

22.

What member of the atoms family is this?

a)

Elliot Electron

b)

Patty Proton

c)

Nelda Neutron

23.

What does the periodic table do?

a)

organizes all elements

b)

tells scientists where to find elements

c)

tells scientists how to combine elements

24.

This is the correct Bohr Diagram for Carbon.

a)

true

b)

false

25.

Look carefully. Is the Bohr diagram for Mg correct?

a)

correct

b)

incorrect

26.

Look carefully. Is the Bohr diagram for Al correct?

a)

correct

b)

incorrect

27.

Look carefully. Is the Bohr diagram for B correct?

a)

correct

b)

incorrect

28.

Look carefully. Is the Bohr diagram for F correct?

a)

correct

b)

incorrect

29.

Look carefully. Is the Bohr diagram for Na correct?

a)

correct

b)

incorrect

30.

Look carefully. Is the Bohr diagram for Ar correct?

a)

correct

b)

incorrect

31.

Look carefully. Is the Bohr diagram for Li correct?

a)

correct

b)

incorrect

32.

How many electrons can be on the first orbital (1st street)?

a)

2

b)

4

c)

8

33.

How many electrons can be on the second orbital (2nd street)?

a)

2

b)

4

c)

8

34.

Look carefully. Is the Bohr diagram for Ne correct?

a)

correct

b)

incorrect

35.

Look carefully. Is the Bohr diagram for B correct?

a)

correct

b)

incorrect

36.

Look carefully. Is the Bohr diagram for Cl correct?

a)

correct

b)

incorrect

37.

Look carefully. Is the Bohr diagram for C correct?

a)

correct

b)

incorrect

38.

Look carefully. Is the Bohr diagram for Li correct?

a)

correct

b)

incorrect

39.

Look carefully. Is the Bohr diagram for Ar correct?

a)

correct

b)

incorrect

40.

The state of matter in which a substance has a definite volume but no definite shape.

a)

gas

b)

liquid

c)

solid

d)

matter

41.

The state of matter in which a substance has a definite shape and definite volume.

a)

solid

b)

gas

c)

atom

d)

liquid

42.

The state of matter in which a substance does not have a definite shape or volume.

a)

element

b)

compound

c)

gas

d)

liquid

43.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
44.

A gel ice pack getting cold after you put it in the freezer for an hour.

a)

Chemical Reaction

b)

Physical Change

45.

Which of the following is a physical change?

a)

Getting a haircut

b)

Rusty metal

c)

sour milk

46.

a copper penny turning greenish after a few years.

a)

Chemical Reaction

b)

Physical Change

47.
Provides evidence that a chemical reaction has occurred. 
a)
dissolving 
b)
melting
c)
formation of a gas
d)
bending
48.

Which one is a clue that a chemical reaction has occurred?

a)

change in shape

b)

change in size

c)

creation of light or odor

49.

_______________ contains more than one atom

a)

molecule

b)

compound

50.

___________________ contains more than one type of element

a)

molecule

b)

compound

51.

O2

a)

element

b)

molecule

c)

compound

52.

H2O

a)

element

b)

molecule

c)

compound

d)

compound and molecule

53.

Ne

a)

element

b)

molecule

c)

compound

54.

Does this diagram correctly model how these atoms bond together?

a)

yes

b)

no

55.

Does this diagram correctly model how these atoms bond together?

a)

yes

b)

no

56.

In order to be happy, what does an atom want?

a)

to have all of it's electrons taken

b)

to have a full outer orbital

c)

to have as many electrons as possible

57.

Losing and gaining electrons requires energy.

a)

true

b)

false

58.

Does this diagram correctly model how these atoms bond together?

a)

yes

b)

no

59.

Does this diagram correctly model how these atoms bond together?

a)

yes

b)

no

60.

Atoms are hard workers and will get a full outer orbital in any way possible.

a)

true

b)

false

61.
Another word for REACTANT could be:
a)
product
b)
finish
c)
ingredient 
d)
fleek
62.
True or false.  Law of conservation of mass means that the number of atoms of the products is more than the number of atoms in the reactants. 
a)
True
b)
False
63.
Law of conservation of mass states that 
a)
matter is created
b)
matter is destroyed
c)
matter is neither created nor destroyed
d)
matter does not change
64.
What is another way of saying PRODUCT? 
a)
ingredient
b)
what you finish with
c)
fleek
d)
starter
65.
If there are 4 H atoms on the reactant side, how many H atoms will be on the product side? 
a)
2
b)
4
c)
6
d)
You need more information to answer this question
66.
If reaction starts with 20g of reactants it should produce... 
a)
a total of 40g of product
b)
a total of 10g of product
c)
a total of 80 g of product
d)
a total of 20g of product
67.
10g of white powder reacts with 10g of clear liquid. The reaction bubbles and changes color producing a black liquid that has a mass of 13g. What can be concluded?
a)
5g of gas was produced
b)
This experiment violates the conservation of mass
c)
7g of gas was produced
d)
The excess reactant is destroyed & disappears during the reaction
68.
Can matter be created or destroyed?
a)
Yes, it can be created.
b)
Yes, it can be destroyed.
c)
No, matter is always conserved
d)
None of these
69.
The mass after a physical change, such as ice melting into water, stays the same
a)
True
b)
False
70.

The total amount of matter before and after a chemical reaction, remains the same.

a)

True

b)

False

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