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APE MAN & Periodic Trends

Total questions: 65

Worksheet time: 55mins

Name
Class
Date
1.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
2.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
3.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
4.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
5.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
6.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
7.

If a neutral atom has 3 electrons, how many protons does it have?

a)

1

b)

2

c)

4

d)

3

8.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
9.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

10.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
11.
What is the atomic number of this atom?
a)
4
b)
5
c)
9
d)
none of the above
12.
What is the mass number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
13.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

14.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

15.
Beryllium has how many protons?
a)
4
b)
9.0122
c)
2
d)
13.0122
16.

If an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom?

a)

17

b)

18

c)

35

d)

52

17.
 12. The table provides information on four different elements. Which element has six protons in its nucleus?
a)
A. Boron
b)
B. Carbon
c)
C. Nitrogen
d)
D. Oxygen
18.

An atom of a certain element has 36 protons, 36 electrons, and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom? (8.5A)

a)

84

b)

36

c)

48

d)

72

19.
An element has the mass number 12 and atomic number  6. The number of neutrons in it is:
a)
6
b)
10
c)
4
d)
8
20.
If an atom has 10 electrons, how many protons does it have?
a)
0
b)
1
c)
10
d)
5
21.
How many electrons are in an atom with an atomic number of 50?
a)
5
b)
8
c)
50
d)
2
22.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
23.
A phosphorus atom has 15 protons and 16 neutrons. What is the mass number?
a)
15
b)
16
c)
31
d)
1
24.
An atom of argon has 18 protons and 22 neutrons. How many electrons does it have?
a)
18
b)
22
c)
40
d)
4
25.
What is the atomic number of this atom?
a)
7
b)
14
c)
21
d)
none of the above
26.
What is the mass number of this atom?
a)
7
b)
14
c)
21
d)
none of the above
27.
What is the atomic number of this atom?
a)
8
b)
16
c)
24
d)
none of the above
28.
What is the mass number of this atom?
a)
8
b)
16
c)
24
d)
none of the above
29.

What element is this?

a)

Beryllium

b)

Fluorine

c)

Carbon

d)

Boron

30.

What element is this?

a)

Oxygen

b)

Silicon

c)

Sulfur

d)

Argon

31.

How many neutrons are in an element with 9 protons, 9 electrons, and a mass number of 19?

a)

9

b)

10

c)

18

d)

28

32.

An atom consists of 12 protons, 12 electrons, and 12 neutrons. Which of the following can be used to identify the element?

a)

Neutrons

b)

Electrons

c)

Atomic number

d)

Atomic mass

33.

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

a)

Student 1

b)

Student 2

c)

Student 3

d)

Student 4

34.

On the periodic table, Groups are

a)

Horizontal rows

b)

Vertical columns

35.

On the periodic table, Periods are

a)

Horizontal rows

b)

Vertical columns

36.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

37.

The group number tells you the number of

a)

protons

b)

valence electrons

c)

energy levels

38.

The period number tells you the number of

a)

protons

b)

energy levels

c)

valence electrons

39.

Which elements have properties in common?

a)

elements in a group

b)

elements in a period

40.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

41.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

42.

How many valence electrons?

a)

2

b)

4

c)

6

d)

8

43.

What group is this element in?

a)

1

b)

13

c)

14

d)

17

44.

What group is this element in?

a)

2

b)

14

c)

18

d)

1

45.

What group is this element in?

a)

2

b)

10

c)

8

d)

18

46.

How many energy levels does this atom have?

a)

2

b)

3

c)

5

d)

10

47.

How many orbitals does this atom have?

a)

8

b)

10

c)

2

d)

18

48.

What period is this element in?

a)

7

b)

2

c)

3

d)

10

49.

What period is this element in?

a)

2

b)

4

c)

6

d)

1

50.

What period is this element in?

a)

2

b)

10

c)

8

d)

1

51.
How many valence electrons are in an atom of Se?
a)
2
b)
8
c)
6
d)
5
52.
How many valence electrons are in an atom of Ba?
a)
2
b)
8
c)
4
d)
1
53.
Which element has the same number of energy levels as nitrogen?
a)
Boron
b)
Chlorine
c)
Phosphorus
d)
Silicon
54.

Elements in the same group have __________

a)

Similar Properties

b)

Same number of shells

c)

Similar Mass

55.

Which elements have the most similar chemical properties?

a)

boron and carbon

b)

oxygen and sulfur

c)

aluminum and bromine

d)

argon and silicon

56.

Using the periodic table, determine the name of the element that has 2 valence electrons and 6 energy levels.

a)

Francium

b)

Barium

c)

Molybdenum

d)

hydrogen

57.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
58.
True or false: Chemical reactivity relates to the number of valence electrons
a)
True
b)
False
59.

A researcher wants to experiment with an element that reacts like sulfur (S) but has a smaller atomic mass. Which element should the researcher select for the experiment?

a)

Oxygen (O)

b)

Selenium (Se)

c)

Phosphorous (P)

d)

Chlorine (Cl)

60.

Which two elements have properties in common?

a)

Nitrogen and Phosphorous

b)

Oxygen and Nitrogen

c)

Sulfur and Nitrogen

61.
 14. A portion of the Periodic Table is shown. Which element would be expected to have a reactivity similar to phosphorous?
a)
A. Nitrogen
b)
B. Oxygen
c)
C. Fluorine
d)
D. Chlorine
62.

The atoms of a certain element contains 11 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity? (8.5B)


a)

The element is sodium, and it is highly reactive

b)

The element is fluorine, and it is not very reactive.

c)

The element is sodium, and it is not very reactive.

d)

The element is fluorine, and it is highly reactive.

63.

A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity?

a)

The 20 protons in each atom of calcium

b)

The 2 valence electrons in each atom of calcium

c)

The atomic mass of calcium, which is 40.078 amu

d)

The density of calcium, which is 1.54 g/cm3

64.

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

a)

Student 1

b)

Student 2

c)

Student 3

d)

Student 4

65.

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.

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