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Periodic Table Test Review

Total questions: 66

Worksheet time: 48mins

Name
Class
Date
1.

The number six represents:

a)

atomic mass

b)

number of neutrons and protons

c)

number of neutrons

d)

number of valence electrons

e)

atomic number

2.

Which element is represented by this model?

a)

Carbon

b)

Fluorine

c)

Magnesium

d)

Sodium

3.

How are elements arranged in the modern periodic table?

a)

by atomic mass

b)

by atomic number

c)

by number of neutrons

d)

by number of electrons

4.

Electrons on the outermost shell of an atom are called?

a)

Molecule Electrons

b)

Valance Electrons

c)

Leveled Electrons

d)

Atoms Electrons

5.

How many neutrons are in a neutral atom of phosphorus with an atomic mass of 31 and an atomic number of 15?

a)

31

b)

46

c)

15

d)

16

6.

How many electrons are present in a neutral atom with an atomic number of 23 and an atomic mass of 51?

a)

A 23

b)

B 74

c)

C 51

d)

D 28

7.

Which particle in an atom determines the identity of an element?

a)

Neutron

b)

Proton

c)

Electron

8.

Elements are grouped together in the same family or group because they

a)

are all metals

b)

have similar properties

c)

have the same atomic mass

d)

have the same number of protons

9.

Most elements are:

a)

Metals

b)

Nonmetals

c)

Metalloids

10.

Which elements often share properties?

a)

Those in a period

b)

Those with the same color

c)

Those in the same family

11.

Which set of elements below is most similar in chemical behavior?

a)

H, Be, Sc

b)

Fr, Ra, Rf

c)

Li, Na, K

d)

Be, Na, Sr

12.

Vertical columns of elements in the periodic table are called

a)

Groups or families

b)

Groups or periods

c)

Periods

13.

The first energy level can hold ______ electrons, and the second can hold ______ electrons.

a)

A 8 / 2

b)

B 10 / 2

c)

C 2 / 10

d)

D 2 / 8

14.

Which element is in period 3 and has 6 valence electrons?

a)

Se

b)

O

c)

Ne

d)

S

15.

Neon has ________ valence electrons.

a)

2

b)

8

c)

10

d)

20

16.

What is the atomic number of the atom shown in the diagram?

a)

A 3

b)

B 13

c)

C 14

d)

D 27

17.

Elements in the same group or family of the periodic table are similar in which way?

a)

They are all metals

b)

They are all nonmetals

c)

They have a full outer shell of electrons

d)

They have the same number of valence electrons

18.

How many electrons does Nitrogen have?

a)

3

b)

7

c)

6

d)

8

19.

When studying the halogens (Group 7) on the periodic table, how does the number of valence electrons change as the energy level increases?

a)

The total number of valence electrons does not change; it remains 7.

b)

The total number of valence electrons does not change; it remains 1.

c)

The total number of valence electrons increases by 1 with each energy level.

d)

The total number of valence electrons decreases by 1 with each energy level.

20.

An atom with an atomic number of 12 and a mass number of 25 can best be described by which of the following?

a)

An atom that contains 12 protons and 13 neutrons.

b)

An atom that contains 13 protons and 12 neutrons.

c)

An atom that contains 12 protons and 25 neutrons.

d)

An atom that contains 25 protons and 12 neutrons.

21.

The nucleus of an atom contains which of the following?

a)

positive protons and negative electrons

b)

negative electrons and negative neutrons

c)

neutral neutrons and positive protons

d)

positive protons and negative neutrons

22.

An atom with 12 protons, 12 electrons, and 13 neutrons has an atomic mass number of what?

a)

1

b)

14

c)

25

d)

28

23.

Carbon has an atomic number of 6 and an atomic mass of 14.

How many protons, neutrons, and electrons does carbon have?

a)

6P, 20N, 6E

b)

20P, 6N, 20E

c)

20P, 8N, 20E

d)

6P, 8N, 6E

24.

Select the model that BEST represents The Law of Conservation of Matter.

a)

b)

c)

d)

25.

In a sealed jar, a student mixed sugar and salt. The initial mass was 40g of sugar and 25g of salt. What should the total mass be at the end of the experiment?

a)

40g

b)

25g

c)

15g

d)

65g

26.

Who created the modern periodic table?

a)

Dalton

b)

Bohr

c)

Mendeleev

d)

Thomson

27.

How many elements are in the compound NaHCO₃?

a)

4

b)

6

c)

1

d)

3

28.

How many atoms are in the compound CaCO₃?

a)

4

b)

5

c)

3

d)

6

29.

Name the element that is in Group 1, Period 3.

a)

Li

b)

Na

c)

Ca

d)

Ne

30.

How many electron shells does the element P have?

a)

1

b)

2

c)

3

d)

4

31.

What is the atomic mass of the element that has 8 protons?

a)

8.00

b)

14.01

c)

16.00

d)

32.07

32.

Which of the following elements have the same number of valence electrons?

a)

H, He, Li

b)

C, S, Ar

c)

Na, F, K

d)

Ne, Ar, Kr

33.

Endothermic reactions:

a)

Feel hot and take in energy.

b)

Feel hot and release energy.

c)

Feel cold and take in energy.

d)

Feel cold and release energy.

34.
a)

Yield

b)

Products

c)

Reactants

35.

Which of the following has the least amount of mass?

a)

nucleus

b)

Proton

c)

Neutron

d)

Electron

36.

What is the chemical name for K?

a)

Potassium

b)

Krypton

c)

Sodium

d)

Calcium

37.
How many protons does this atom have?
a)
2.5
b)
6
c)
5
d)
10.811
38.

Identify the atomic mass.

a)

79

b)

Au

c)

Gold

d)

196.967

39.

The atomic number on the periodic table tells us:

a)

how many protons and neutrons there are

b)

how many protons and electrons there are

c)

how many neutrons there are

d)

none of the above

40.

What is the atomic number of this atom?

a)

4

b)

5

c)

9

d)

none of the above

41.

How many protons does helium have?

a)

4

b)

4.0026

c)

2

d)

1

42.

The number of electrons in a lithium atom is

a)

3

b)

4

c)

6

d)

7

43.

Which group of elements is extremely reactive (not happy)?

a)

Group 6

b)

Group 7

c)

Group 8

44.

An element's atomic number also tells you how many _______ & _______ it has.

(there are 2 answers)

a)

Protons

b)

Neutrons

c)

Electrons

d)

Valence Electrons

45.

How many neutrons are in a gold atom?

a)

79

b)

196

c)

118

d)

275

46.

How many neutrons does an element with an atomic number of 3 and a mass of 6.9 contain?

a)

6.9

b)

4

c)

3

d)

7

47.

How many neutrons does fluorine have?

a)

9

b)

19

c)

10

48.

How many neutrons are in an atom of beryllium?

a)

4

b)

9

c)

9.01

d)

5

49.
a)
Protons + Electrons
b)
Atomic Number - Mass
c)
Mass - Atomic Number 
50.

Elements in the same group have similar chemical behaviors.

a)

True

b)

False

51.

The number of valence electrons is the same as an element's group number.

a)

True

b)

False

52.

The atomic # tells you how many neutrons an element has.

a)
True
b)
False
53.
An element in period 2, group 3 would have how many valence (outer) electrons?
a)
3
b)
2
c)
5
d)
8
54.
a)
Periods
b)
Groups
55.

How many valence electrons does the element have?

a)

1

b)

2

c)

3

d)

4

56.

Elements in the same group or column have the same ...

a)

# of valence electrons

b)

# of shells

c)

# of protons

d)

Mass Number

57.
Elements that are arranged in __________ have the most similar physical and chemical properties to each other.
a)
periods
b)
groups
58.

What element is in period 4, group 1?

a)

K - Potassium

b)

V - Vandium

c)

C - Carbon

d)

Ti - Titanium

59.

You can find the number of electron shells an element has by looking at its period number.

a)
True
b)
False
60.

Using the Law of Conservation of Matter, determine the number of grams of FeS that will be produced in this reaction.

4 lines
61.

How many ATOMS are in the compound Al₂O₃?

a)

5

b)

2

c)

1

d)

6

62.

Select ALL the possible signs that a chemical change has occurred.

a)

Smell change

b)

Exothermic or Endothermic change

c)

Bubbling

d)

Melting

63.

Melting from a solid to a liquid is an example of a chemical change.

a)
True
b)
False
64.

Who was Dimitri Ivanovich Mendeleev?

a)

Periodic table inventor

b)

Sandwich

c)

A singer

d)

An Astronomer

65.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
66.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green

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