wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Electron configurations (H)

Total questions: 30

Worksheet time: 25mins

Name
Class
Date
1.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
2.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
3.

What atom matches this electron configuration?

[Xe] 6s24f145d9

a)

Mercury

b)

Gold

c)

Platinum

d)

Thallium

4.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
5.
What electron configuration matches an oxygen ion?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
6.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
7.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
8.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
9.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
10.
The electron configuration of an atom is 1s22s22p6.  The number of valence electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
11.
What atom is represented here?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Fluorine
12.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
13.
What is the electron configuration for this atom?
a)
1s22s22p6
b)
1s22s22p5
c)
1s22s22p3
d)
2s22p3
14.
What is the highest occupied energy level?
a)
1
b)
2
c)
3
d)
4
15.

Valence electrons are defined a the ...........

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

16.

Which symbol below represents the proper ion of magnesium?

a)

Mg+1

b)

Mg+2

c)

Mg-1

d)

Mg-2

17.
Which element is depicted from this atomic orbital diagram?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Phosphorus
18.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
19.
When an atom gains a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
20.
Atoms that gain & lose electrons are called _________
a)
ions
b)
isotopes
c)
radioactive
d)
corrosive
21.

What is the charge of an atom that has lost three electrons?

a)

-3

b)

-2

c)

+3

d)

+2

22.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
23.

Which element ends 4p4?

a)

sulfur

b)

arsenic

c)

selenium

d)

antimony

24.

The element that ends its configuration as 4f7 is?

a)

gold

b)

europium

c)

nobelium

d)

neptunium

25.

Ionization energy increases within the periodic table..

a)

upwards within the groups and left to right within the columns

b)

downwards within the groups and left to right within the columns

c)

upwards within the groups and right to left within the columns

d)

downwards within the groups and right to left within the columns

26.

Electronegativity increases within the periodic table..

a)

upwards within the groups and left to right within the columns

b)

downwards within the groups and left to right within the columns

c)

upwards within the groups and right to left within the columns

d)

downwards within the groups and right to left within the columns

27.

What is effective nuclear charge?

a)

pushing force exerted by electrons upon other electrons

b)

push vs pull force within an atom

c)

pulling force exerted by protons within nucleus upon electrons

d)

pushing force exerted by protons upon other particles

28.

The shielding effect may have a direct impact upon which of the following phenomena (more than one answer may be chosen)

a)

ionization energy

b)

effective nuclear charge

c)

electronegativity

d)

size of the atom

e)

all of the above

29.

Place isoelectric particles in order from largest to smallest.

Cu+1, Ga+3, Zn+2 and Ni

a)

Cu+1 < Ga+3 < Zn+2 < Ni

b)

Ga+3 < Cu+1 < Zn+2 < Ni

c)

Ni < Cu+1 < Zn+2 < Ga+3

d)

Zn+2 < Ga+3 < Cu+1 < Ni

30.

Which is the proper IE equation for the removal of boron's second electron?

a)

114 B + 2426 kj --> 114 B+1 + 1e-

b)

114 B+1 + 2426 kj --> 114 B+2 + 1e-

c)

114 B+1 + 800 kj --> 114 B+2 + 1e-

d)

114 B+1 + 2426 kj --> 114 B+2 + 2e-

Similar Resources on Wayground

Periodic Table Quiz_Sept_ 2020

25 questions

Periodic Table Quiz_Sept_ 2020

quiz

Worksheet

•

10th Grade

Stoikiometri

25 questions

Stoikiometri

quiz

Worksheet

•

10th Grade

Quiz 2 Chemistry

25 questions

Quiz 2 Chemistry

quiz

Worksheet

•

11th Grade

Quiz Pilihan Ganda Kelas XI

25 questions

Quiz Pilihan Ganda Kelas XI

quiz

Worksheet

•

11th Grade - University

3 Weeks Chem Review

25 questions

3 Weeks Chem Review

quiz

Worksheet

•

11th Grade - University

CẤU TẠO BẢNG TUẦN HOÀN CÁC NGUYÊN TỐ HÓA HỌC

25 questions

CẤU TẠO BẢNG TUẦN HOÀN CÁC NGUYÊN TỐ HÓA HỌC

quiz

Worksheet

•

10th Grade

3.2 Oxidation #'s and Lewis Dot Diagrams

25 questions

3.2 Oxidation #'s and Lewis Dot Diagrams

quiz

Worksheet

•

9th Grade

Chương 2 - Nitơ + amoniac - Muối

25 questions

Chương 2 - Nitơ + amoniac - Muối

quiz

Worksheet

•

11th Grade