wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Modern Atomic Structure

Total questions: 28

Worksheet time: 18mins

Name
Class
Date
1.

Who proposed that electrons are only found in specific, discrete circular orbits around the nucleus?

a)

Albert Einstein

b)

Erwin Schrodinger

c)

Ernest Rutherford

d)

Niels Bohr

2.

How many d orbitals are found in a d sublevel?

a)

1

b)

5

c)

3

d)

7

3.

What orbital is shown in the picture?

a)

s orbital

b)

p orbital

c)

d orbital

d)

f orbital

4.

What is the difference between a 1s orbital and a 2s orbital?

a)

The shape of the orbital

b)

The size of the orbital

c)

The number of electrons it can hold

d)

None of the above

5.

Heisenberg's Uncertainty Principle states that it is impossible to know both the ___________ and the __________ of a particle at the same time.

a)

velocity, position

b)

velocity, energy

c)

position, energy

d)

velocity, speed

6.

What states that every orbital of a subshell must be singly occupied before any orbital can have a pair?

a)

Pauli exclusion principle

b)

Hund's rule

c)

Aufbau principle

d)

None of the above

7.

What states that electrons fill the lowest energy orbitals/levels first before occupying higher energy levels?

a)

Pauli exclusion principle

b)

Hund's rule

c)

Aufbau Principle

d)

None of the above

8.
The p orbitals are shaped like
a)
circles.
b)
dumbbells.
c)
spheres.
d)
electrons.
9.
The region outside the nucleus where an electron can most probably be found is the
a)
s sublevel.
b)
electron cloud.
c)
quantum.
d)
electron configuration
10.

Which of the following best describes the shape of d orbitals?

a)

Peanut shaped

b)

Spherical shaped

c)

Dumbbell shaped

d)

Clover leaf shaped

11.

How many orbitals are present in an "s" sublevel?

a)

1

b)

3

c)

5

d)

7

12.

How many orbitals are present in a "p" sublevel?

a)

1

b)

3

c)

5

d)

7

13.

Which sublevel has the highest energy?

a)

2s

b)

3s

c)

3d

d)

3p

14.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
15.
The set of orbitals that are dumbbell shaped and directed along the x, y, and z axes are called 
a)
d orbitals.
b)
p orbitals.
c)
f orbitals.
d)
s orbitals
16.

A d sublevel contains _____ d orbitals.

a)

1

b)

2

c)

3

d)

5

17.
A line spectrum is produced when an electron moves from one energy level
a)
into the nucleus.
b)
to another position in the same sublevel.
c)
to a higher energy level.
d)
to a lower energy level.
18.
If electrons in an atom have the lowest possible energies, the atom is in the
a)
ground state.
b)
inert state.
c)
excited state.
d)
radiation-emitting state.
19.
According to the Bohr model of the atom, the single electron of a hydrogen atom circles the nucleus
a)
in specific, allowed orbits.
b)
in one fixed orbit at all times.
c)
at any of an infinite number of distances, depending on its energy.
d)
counterclockwise.
20.
Hund’s rule states…
a)
Atomic orbitals have opposite spins and 2 electrons each
b)
Electrons occupy orbitals of highest energy first and energy level changes as you go up
c)
Electrons occupy orbitals of lowest energy first, starting with 1s
d)
Electrons occupy orbitals of equal energy, one electron enters EACH orbital ONE AT A TIME until orbitals of the entire energy level have one electron with the SAME SPIN.
21.
What is the Pauli Exclusion Principle?
a)
An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins
b)
An atomic orbital can hold a minimum of 6 electrons, each with opposite spins
c)
An atomic orbital can hold a maximum of 6 electrons, each with the same spin
d)
An atomic orbital can hold a minimum of 2 electrons, each with opposite spins
22.

In a wave, the distance between two crests is called

a)

amplitude

b)

wavelength

c)

frequency

23.

The SI unit of frequency is the __________.

a)

meter

b)

second

c)

hertz

d)

meter per second

24.

True or False? The wavelength and frequency of all waves are inversely proportional to each other.

a)

True

b)

False

25.

When an electron absorbs energy, it moves ________.

a)

from a higher energy level to a lower energy level

b)

from a lower energy level to a higher energy level

c)

in a circle

d)

toward the nucleus

26.

When an electron moves from a higher energy level to a lower energy level, it ____________.

a)

it releases energy in the form of light

b)

it absorbs energy in the form of light

c)

it breaks in half

d)

it releases a sonic boon

27.

A ground state electron is

a)

freshly crushed into a fine powder.

b)

in the highest possible energy level.

c)

in the lowest possible energy level.

d)

constantly emitting light.

28.
An area of high probability of finding an electron 90% of the time is called a(n)
a)
nucleus
b)
sublevel
c)
orbital
d)
energy level

Similar Resources on Wayground

Chemagix - Guess Who??

23 questions

Chemagix - Guess Who??

quiz

Worksheet

•

9th - 12th Grade

Chemistry review transfer electrons and ionic compounds

23 questions

Chemistry review transfer electrons and ionic compounds

quiz

Worksheet

•

10th Grade

EASE 3 Chemistry Simulation

23 questions

EASE 3 Chemistry Simulation

quiz

Worksheet

•

10th Grade

Spring 2021-2022 Semester 2 Final Exam review

23 questions

Spring 2021-2022 Semester 2 Final Exam review

quiz

Worksheet

•

9th - 12th Grade

Rates/Rate law/Mechanisms

25 questions

Rates/Rate law/Mechanisms

quiz

Worksheet

•

11th - 12th Grade

chemistry Test - reactivity

25 questions

chemistry Test - reactivity

quiz

Worksheet

•

10th Grade

The Nature of Covalent Bonding

23 questions

The Nature of Covalent Bonding

quiz

Worksheet

•

10th Grade

Titrations

23 questions

Titrations

quiz

Worksheet

•

11th - 12th Grade