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The Periodic Table, Periodic Law and Electrons in the Atom

Total questions: 55

Worksheet time: 57mins

Name
Class
Date
1.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
2.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
3.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
4.
a)
Metals
b)
Nonmetals
c)
Metalloids
5.
a)
Metals
b)
Nonmetals
c)
Metalloids
6.
a)
Metals
b)
Nonmetals
c)
Metalloids
7.

Vertical columns on the periodic table are called ___?

a)

groups

b)

periods

c)

rows

d)

families

8.

Which color on the image of the periodic table corresponds with the halogens.

a)

red

b)

black

c)

blue

d)

orange

9.

Which color on the image of the periodic table corresponds with the lanthanides.

a)

red

b)

black

c)

blue

d)

orange

10.

Mendeleev first ordered the periodic table of elements by increasing

a)

atomic number

b)

atomic mass

c)

atomic symbol

d)

atomic weight

11.

Most metals share four common physical characteristics. Which of the options is not one of the four?

a)

Luster

b)

Conductivity

c)

Ductility

d)

Malleability

e)

Reactivity

12.

Which family of elements reacts violently with water and exposure to oxygen?

a)

alkali metals

b)

alkaline earth metals

c)

lanthanides

d)

actanides

e)

transition metals

13.
If an atom had the same properties as fluorine (F), it would probably be located in
a)
period 1.
b)
period 2.
c)
group 2.
d)
group 17.
14.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
15.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
16.

What period and group is Chlorine (Cl)?

a)

Period 3, Group 14

b)

Period 3, Group 17

c)

Period 2, Group 17

d)

Period 2, Group 14

17.

What period and group is Arsenic (As)?

a)

Period 3, Group 14

b)

Period 3, Group 15

c)

Period 4, Group 15

d)

Period 4, Group 14

18.

Identify the period and group of the element that has the electron configuration 1s2 2s2 2p6 3s2 3p3.

a)

Period 2 group 12

b)

Period 3 group 11

c)

Period 3 group 13

d)

Period 3 group 15

19.

Which of the following would be found in Group 4?

a)

Silicon (Si)

b)

Titanium (Ti)

c)

Sodium (Na)

d)

Potassium (K)

20.

What is the electron configuration of the element in period 3, group 16?

a)

1s2 2s2 2p6 3s2 3p1

b)

1s2 2s2 2p6 3s2 3d10 3p4

c)

1s2 2s2 2p6 3s2 3p4

d)

1s2 2s2 2p6 3s2 3p2

21.

Which of the following is a d block element

a)

Be

b)

Si

c)

Ni

d)

Th

22.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
23.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
24.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
25.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
26.
What is the electron configuration of sodium?
a)
2.8
b)
2.8.2
c)
2.8.1
d)
11
27.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
28.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
29.
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
30.
Visible spectrum is shown below. Which light has the highest energy?
a)
Red light
b)
Yellow light
c)
Green light
d)
Blue light
31.

When heated, electrons are ____________.

a)

annoyed

b)

irritated

c)

excited

d)

angered

32.
Why are line emission spectra of elements called "atomic fingerprints"?
a)
They are all the same
b)
They are all unique
c)
They are all similar
d)
They all contain colored light
33.
What is the unknown spectra?
a)
beryllium
b)
copper
c)
manganese
d)
strontium
34.

What is the electron configuration of Iodine?

a)

[Kr]5s24d105p6

b)

[Kr]5s24d106p6

c)

[Kr]5s25d106p6

d)

None of the above

35.

What atom matches this electron configuration?

[Xe] 6s24f145d9

a)

Mercury

b)

Gold

c)

Platinum

d)

Thallium

36.
How many atomic orbitals are there in the p sublevel?
a)
2
b)
3
c)
4
d)
5
37.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
38.
What is the noble gas configuration for phosphorus?
a)
[Ar] 3p5
b)
[He] 3s2 3p5
c)
[Ne] 3s2 3p3
d)
[Na] 3s2 3p5
39.
What is the maximum number of electrons that an orbital can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
40.

Identify the period and group of the element that has the electron configuration 1s2 2s2 2p6 3s2 3p3.

a)

Period 2 group 12

b)

Period 3 group 11

c)

Period 3 group 13

d)

Period 3 group 15

41.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

42.

What is the goal of the Lewis Dot Structure?

a)

To determine the electron position.

b)

To show the element's valence electrons & bonding capabilities.

c)

To find the atomic mass of an element.

d)

To search for the number of electrons in an individual atom.

43.

How many valence electrons should Lithium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

44.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
45.
Which is the correct structure for ammonia?
(Top picture is A, bottom picture is D.)
a)
Option A
b)
Option B
c)
Option C
d)
Option D
46.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
47.
What is the correct structure for BF3?
a)
Option A
b)
Option B
c)
Option C
d)
Option D
48.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
49.
This could be the dot diagram of
a)
Mg, group 2.
b)
Cl, group 17.
c)
C, group 14.
d)
O, group 16.
50.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

51.

Which of the following states that electrons occupy orbitals of lowest energy first?

a)

Hund’s Rule

b)

Aufbau Principle

c)

Pauli Exclusion Principle

52.

What is incorrect about this orbital diagram?

a)

Both arrows in the 2p box should be pointing up

b)

There are too many electrons in the 1s orbital

c)

In the 2p boxes, there should only be 1 electron in the first 2p box and one in the 2nd 2p box

d)

All the arrows should be pointing up

53.

Which orbital diagram violates of Hund's Rule?

a)

A

b)

B

c)

C

d)

D

54.

What sublevel is filled after 4s?

a)

5s

b)

3p

c)

3d

d)

4f

55.

What is incorrect about this orbital diagram for chromium (Cr)?

a)

The 4s orbital has not been filled before electrons were added to the 3d orbital. There should be 1 down arrow in 4s and one less up arrow in 3d.

b)

This orbital diagram is correct.

c)

There are too many electrons. There should be less arrows to show the correct number of electrons.

d)

The should be a down arrow in 4s and two down arrows in 3d.