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Electron Configuration Practice

Total questions: 43

Worksheet time: 3hrs 49mins

Name
Class
Date
1.

How many energy levels does silicon (Si) have?

a)

1

b)

2

c)

3

d)

4

2.

Which is not a sublevel?

a)

S

b)

T

c)

P

d)

D

e)

F

3.

Match the following sublevels with the total amount of electrons it can hold:

a)

S

1.

2

b)

P

2.

6

c)

D

3.

10

d)

F

4.

14

4.

Which energy orbital is the fourth (4th) highest in energy?

a)

1s

b)

2s

c)

3s

d)

4s

5.

The rule that electrons fill in lower energy orbitals first is known as what?

a)

Aufbau Principle

b)

Hund’s Rule

c)

Pauli Exclusionary Rule

d)

Octet Rule

6.

What is the electron configuration of manganese (Mn)?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

b)

1s2 2s2 3s2 3p6 4s7

c)

1s2 2s2 2p6 3s2 3p6 4s2 4p5

d)

[Ne] 3s2 3d5

7.

What is the electron configuration of nitrogen?

a)
1s2 2s2 2p6
b)
1s2 2s2 2p3
c)
1s2 2s2 2p5
d)
1s2 2s1 2p6
8.

What element has an electron configuration of 1s2 2s2 3s2 3p1 ?

a)
Beryllium
b)
Aluminium
c)
Silicon
d)
Boron
9.

Select which block of elements represent the P block elements on the periodic table.

A
B
C
D
10.

How many electrons does carbon have?

a)

3

b)

4

c)

5

d)

6

11.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
12.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
13.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
14.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

15.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

16.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

17.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

18.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

19.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

20.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

21.
Most of the mass of an atom is found it its _____.
a)
electron cloud
b)
nucleus
c)
atomic number
d)
empty space
22.
Which is an electron?
a)
A
b)
B
c)
C
23.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
24.

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

a)

bright yellow

b)

gold

c)

teal

d)

light blue

25.

The periodic table is mostly comprised of what type of element?

a)

Metals

b)

Nonmetals

c)

Metalloids

26.

Which elements are to the LEFT of the zigzag?

a)

metals

b)

nonmetals

c)

metalloids

27.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

28.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
29.

How many electrons are in Aluminium?

a)

40

b)

27

c)

13

d)

14

30.

How many neutrons are in Magnesium?

a)

36

b)

12

c)

24

d)

6

31.

How many neutrons are in Argon?

a)

18

b)

40

c)

58

d)

22

32.

There are _____ types of atomic orbitals.

a)

1

b)

2

c)

3

d)

4

33.

There are _____ types of atomic orbitals.

a)

1

b)

2

c)

3

d)

4

34.

How many electrons can fit in one orbital?

a)

1

b)

2

c)

3

d)

4

35.

If the f block contains 14 columns, then it would make sense that an f orbital can hold up to _____ electrons.

a)

2

b)

5

c)

7

d)

14

36.

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

a)

6

b)

8

c)

4

d)

2

37.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

38.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

39.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

40.
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.
41.

Which of these is correct?

a)
b)
c)
42.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

43.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

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