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Valence Elelctrons

Total questions: 144

Worksheet time: 1hrs 28mins

Name
Class
Date
1.
Which is an electron?
a)
A
b)
B
c)
C
2.

How many electrons go in the first shell (ring) ?

a)

6

b)

8

c)

4

d)

2

3.

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

a)

3

b)

4

c)

5

4.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

5.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

6.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

7.
What is a valence electron?
a)
an electron that is found in the outermost shell of an atom. 
b)
an electron found in the innermost shell of an atom.
c)
an electron found in the middle shell.
8.

Which of these is incorrect?

a)
b)
9.

Which of these is correct?

a)
b)
c)
10.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
11.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

12.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

13.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

14.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

15.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

16.

How many valence electrons are found in atoms of group 14?

a)

4

b)

3

c)

14

d)

16

17.
Which group has the greatest number of valence electrons?
a)
1
b)
14
c)
18
d)
16
18.
How many valence electrons are found in atoms of group 15?
a)
4
b)
5
c)
2
d)
3
19.
How many valence electrons are found in atoms of group 1?
a)
7
b)
6
c)
4
d)
1
20.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

21.

Which elements have the most similar chemical properties?

a)

boron and carbon

b)

oxygen and sulfur

c)

aluminum and bromine

d)

argon and silicon

22.

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

a)

1

b)

2

c)

8

d)

18

23.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
d)
Electrons in the second shell
24.

When trying to identify an unknown element, a scientist determines what other elements reacts with chemically. Which property of the unknown element determines the other element it reacts with?

a)

The total number of neutrons in the unknown element

b)

The total number of particles in the nucleus of the unknown element

c)

The number of protons in the nucleus of the unknown element

d)

The number of valence electrons in the unknown element

25.

What group is the most reactive metals?

a)

2

b)

18

c)

1

d)

16

26.

What group is the most reactive non metals?

a)

1

b)

17

c)

2

d)

1

27.

Why are halogens so reactive?

a)

They want to get rid of their only valance electron

b)

They only need one more electron

c)

They are non reactive, they have a full shell

28.

How do electrons of an element determine that element's reactivity?

a)

If the valence shell has missing electrons it is very reactive to attract or lose more electrons.

b)

If the valence shell has a full ring of electrons it is very reactive because it needs more.

c)

If the valence shell has a full shell of electrons it is very reactive because it is already full.

d)

If the valence shell has missing electrons it is not reactive because it is missing electrons.

29.

Which of the following statements describes group 17 of the periodic table?

a)

Stable non-metals with 1 valence electron

b)

Stable Metals with 7 valence electrons

c)

Highly reactive non-metals with 7 valence electron.

d)

Highly reactive metals with 2 valence electrons.

30.
Describe this element.
a)
Highly reactive metal
b)
Highly reactive nonmetal
c)
Stable
d)
Less stable non metal
31.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

32.
a)
2
b)
8
c)
3
d)
13
33.
a)
2
b)
3
c)
5
34.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

35.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
36.

Appear Vertically on the periodic table

a)

Periods

b)

Groups

37.

Energy Levels best describe .....

a)

Periods

b)

Groups

38.

Elements that are similar in chemical reactivity

a)

Periods

b)

Groups

39.

Elements that appear horizontally on the periodic table

a)

Periods

b)

Groups

40.

Valence Electrons are organized into .......

a)

Periods

b)

Groups

41.

Elements are organized by REACTIVITY into.....

a)

Periods

b)

Groups

42.

Families on the Periodic table are organized into .....

a)

Periods

b)

Groups

43.

What are valence electrons?

a)

The # of electrons in the atom

b)

The # of electrons in the outermost shell

c)

The # of electrons an atom will pick up

d)

The # of electrons an atom will get rid of

44.

What is an ion? (general definition)

a)

An element with a neutral charge

b)

An element that has gained an electron

c)

An element that has gained or lost an electron

d)

An element that has lost an electron

45.

Select all that apply

a)

An anion loses electrons

b)

A cation loses electrons

c)

A cation is positive

d)

An anion is positive

46.

Anions are generally found where in the Periodic Table?

a)

Alkali Earth Metals

b)

Noble Gases

c)

Transition Metals

d)

Nonmetals

47.

Chlorine (atomic# 17) is more likely to:

a)

Become a cation

b)

Become an anion

c)

Stay neutral

48.

Use the Periodic Table

Select all elements that will have a +2 ion

a)

Oxygen

b)

Beryllium

c)

Magnesium

d)

Calcium

49.
a)
2
b)
8
c)
3
d)
13
50.
a)
12
b)
7
c)
8
d)
14
51.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

52.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

53.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
54.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
55.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

56.

Metals form positive ions which are also known as (a)  

57.

Non-metals form negative ions which are also known as (a)  

58.

Which of the following ions have a +1 charge?

a)

Hydrogen (H)

b)

Helium (He)

c)

Calcium (Ca)

d)

Lithium (Li)

59.

Ions have the same number of protons but different number of _________________

a)

neutrons

b)

electrons

c)

protons

d)

toes

60.

Isotopes have the same number of protons but different number of _________________

a)

neutrons

b)

protons

c)

electrons

d)

eyes

61.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

62.

Which of the following ions have a +2 charge?

a)

Hydrogen (H)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Lithium (Li)

63.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

64.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

65.

Atoms in Group 13 will (a)   3 electrons to form a +3 charge

66.

Atoms in Group 16 will (a)   2 electrons to form a -2 charge

67.

Which of the following ions have a -2 charge?

a)

Oxygen (O)

b)

Magnesium (Mg)

c)

Fluorine (F)

d)

Sulfur (S)

68.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

69.

Which of the following ions have a +3 charge?

a)

Boron (B)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Lithium (Li)

70.

Which of the following ions have a -3 charge?

a)

Nitrogen (N)

b)

Aluminum (Al)

c)

Phosphorous (P)

d)

Sulfur (S)

71.

Which of the following ions have a -1 charge?

a)

Oxygen (O)

b)

Chlorine (Cl)

c)

Fluorine (F)

d)

Sulfur (S)

72.

Which of the following ions have a NO charge?

a)

Helium (He)

b)

Neon (Ne)

c)

Fluorine (F)

d)

Sulfur (S)

73.

Atoms in Group 18 have NO charge because they fulfill the __________ rule.

a)

duet

b)

quartet

c)

octet

d)

golden

74.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

75.

How many valence electrons does Hydrogen have?

a)

1

b)

2

c)

3

d)

4

e)

5

76.

How many valence electrons does Helium have?

a)

1

b)

2

c)

3

d)

4

e)

5

77.

How many valence electrons does Lithium have?

a)

1

b)

2

c)

3

d)

4

e)

5

78.

How many valence electrons does Beryllium have?

a)

1

b)

2

c)

3

d)

4

e)

5

79.

How many valence electrons does Boron have?

a)

1

b)

2

c)

3

d)

4

e)

5

80.

How many valence electrons does Sodium have?

a)

1

b)

2

c)

3

d)

4

e)

5

81.

How many valence electrons does Potassium have?

a)

1

b)

2

c)

3

d)

4

e)

5

82.

How many valence electrons does Magnesium have?

a)

1

b)

2

c)

3

d)

4

e)

5

83.

How many valence electrons does Calcium have?

a)

1

b)

2

c)

3

d)

4

e)

5

84.

How many valence electrons does Nitrogen have?

a)

1

b)

2

c)

3

d)

4

e)

5

85.

How many valence electrons does Phosphorus have?

a)

4

b)

5

c)

6

d)

7

e)

8

86.

How many valence electrons does Oxygen have?

a)

4

b)

5

c)

6

d)

7

e)

8

87.

How many valence electrons does Sulfur have?

a)

4

b)

5

c)

6

d)

7

e)

8

88.

How many valence electrons does Fluorine have?

a)

4

b)

5

c)

6

d)

7

e)

8

89.

How many valence electrons does Chlorine have?

a)

4

b)

5

c)

6

d)

7

e)

8

90.

How many valence electrons does Bromine have?

a)

4

b)

5

c)

6

d)

7

e)

8

91.

How many valence electrons does Iodine have?

a)

4

b)

5

c)

6

d)

7

e)

8

92.

How many valence electrons does Neon have?

a)

4

b)

5

c)

6

d)

7

e)

8

93.

How many valence electrons does Argon have?

a)

4

b)

5

c)

6

d)

7

e)

8

94.

How many valence electrons does Krypton have?

a)

4

b)

5

c)

6

d)

7

e)

8

95.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

96.

Metals form positive ions which are also known as (a)  

97.

Non-metals form negative ions which are also known as (a)  

98.

Which of the following ions have a +1 charge?

a)

Hydrogen (H)

b)

Helium (He)

c)

Calcium (Ca)

d)

Lithium (Li)

99.

Ions have the same number of protons but different number of _________________

a)

neutrons

b)

electrons

c)

protons

d)

toes

100.

Isotopes have the same number of protons but different number of _________________

a)

neutrons

b)

protons

c)

electrons

d)

eyes

101.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

102.

Which of the following ions have a +2 charge?

a)

Hydrogen (H)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Lithium (Li)

103.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

104.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

105.

Atoms in Group 13 will (a)   3 electrons to form a +3 charge

106.

Atoms in Group 16 will (a)   2 electrons to form a -2 charge

107.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

108.

Which of the following ions have a -2 charge?

a)

Oxygen (O)

b)

Magnesium (Mg)

c)

Fluorine (F)

d)

Sulfur (S)

109.

Which of the following ions have a +3 charge?

a)

Boron (B)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Lithium (Li)

110.

Which of the following ions have a -3 charge?

a)

Nitrogen (N)

b)

Aluminum (Al)

c)

Phosphorous (P)

d)

Sulfur (S)

111.

Which of the following ions have a -1 charge?

a)

Oxygen (O)

b)

Chlorine (Cl)

c)

Fluorine (F)

d)

Sulfur (S)

112.

Atoms in Group 18 have NO charge because they fulfill the __________ rule.

a)

duet

b)

quartet

c)

octet

d)

golden

113.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

114.

Which of these cations have the correct charge? Pick all that apply.

a)

Li+

b)

Na2+

c)

Al4+

d)

Ca2+

e)

Ga3+

115.

Which of the following anions have the correct charge? Pick all that apply.

a)

Cl2-

b)

O2-

c)

F-

d)

N3-

e)

Ne-

116.

Which ions have the same number of electrons as Neon, Ne?

a)

N3-

b)

Mg2+

c)

Ca2+

d)

P3-

e)

O2-

117.

Which ions have the same number of electrons as argon, Ar?

a)

N3-

b)

O2-

c)

Ca2+

d)

Mg2+

e)

P3-

118.

What is the element symbol of an atom that has 33 protons, 42 neutrons, and forms a -3 ion?

(a)  

119.

What does the period number tell you about an atom's electron arrangement?

a)

number of electrons

b)

number of valence electrons

c)

number of electron shells

d)

number of possible isotopes

120.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

121.

Metals form positive ions which are also known as (a)  

122.

Non-metals form negative ions which are also known as (a)  

123.

Which of the following ions have a +1 charge?

a)

Hydrogen (H)

b)

Helium (He)

c)

Calcium (Ca)

d)

Lithium (Li)

124.

Ions have the same number of protons but different number of _________________

a)

neutrons

b)

electrons

c)

protons

d)

toes

125.

Isotopes have the same number of protons but different number of _________________

a)

neutrons

b)

protons

c)

electrons

d)

eyes

126.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

127.

Which of the following ions have a +2 charge?

a)

Hydrogen (H)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Lithium (Li)

128.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

129.

How many valence electrons do Group 2 atoms have?

a)

1

b)

2

c)

3

d)

4

130.

Atoms in Group 13 will (a)   3 electrons to form a +3 charge

131.

Atoms in Group 16 will (a)   2 electrons to form a -2 charge

132.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

133.

Which of the following ions have a -2 charge?

a)

Oxygen (O)

b)

Magnesium (Mg)

c)

Fluorine (F)

d)

Sulfur (S)

134.

Which of the following ions have a +3 charge?

a)

Boron (B)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Lithium (Li)

135.

Which of the following ions have a -3 charge?

a)

Nitrogen (N)

b)

Aluminum (Al)

c)

Phosphorous (P)

d)

Sulfur (S)

136.

Which of the following ions have a -1 charge?

a)

Oxygen (O)

b)

Chlorine (Cl)

c)

Fluorine (F)

d)

Sulfur (S)

137.

Atoms in Group 18 have NO charge because they fulfill the __________ rule.

a)

duet

b)

quartet

c)

octet

d)

golden

138.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

139.

Which of these cations have the correct charge? Pick all that apply.

a)

Li+

b)

Na2+

c)

Al4+

d)

Ca2+

e)

Ga3+

140.

Which of the following anions have the correct charge? Pick all that apply.

a)

Cl2-

b)

O2-

c)

F-

d)

N3-

e)

Ne-

141.

Which ions have the same number of electrons as Neon, Ne?

a)

N3-

b)

Mg2+

c)

Ca2+

d)

P3-

e)

O2-

142.

Which ions have the same number of electrons as argon, Ar?

a)

N3-

b)

O2-

c)

Ca2+

d)

Mg2+

e)

P3-

143.

What is the element symbol of an atom that has 33 protons, 42 neutrons, and forms a -3 ion?

(a)  

144.

What does the period number tell you about an atom's electron arrangement?

a)

number of electrons

b)

number of valence electrons

c)

number of electron shells

d)

number of possible isotopes

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