WorksheetsElectrons In Atoms Review
Total questions: 34
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
2.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
3.
What is this element?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
4.
What is the noble gas configuration for Oxygen?
a)
[Ar] 3p4
b)
[He] 2s2 2p4
c)
[He] 3s2 3p4
d)
[Li] 2s2 2p4
5.
What is the electron configuration for Bromine (Br)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6
6.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
7.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
8.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
9.
How many total electrons can the f orbitals in a f sublevel hold?
a)
2
b)
14
c)
6
d)
10
10.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
11.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
12.
Orbitals can hold a maximum of two electrons each with opposite spins is which rule?
a)
Aufbau Principle
b)
Pauli Exclusion Principle
c)
Hund's Rule
13.
Electrons filling orbitals with more than one sublevel will be equally distributed to each sublevel before any of the sublevels receives a 2nd electron is known as what rule?
a)
Aufbau Principle
b)
Pauli Exclusion Principle
c)
Hund's Rule
14.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
15.
Which kind of wave has the greatest frequency?
a)
gamma rays
b)
infrared
c)
ultraviolet
d)
microwaves
16.
Which of the following regions of the electromagnetic spectrum has the longest wavelengths?
a)
microwave
b)
infrared
c)
x-ray
d)
gamma ray
17.
Which of the following colors of visible light has the longest wavelength?
a)
orange
b)
blue
c)
red
d)
green
18.
An argon ion laser emits light at 488 nm. What is the frequency of this radiation?
a)
4.07 x 10^-19 Hz
b)
6.14 x 10^14 Hz
c)
1.46 x 10^2 Hz
d)
2.05 x 10^ 6 Hz
19.
A common infrared laser operates at 1.06 x 103 nm. What is the energy of a photon with this wavelength?
a)
7.02 x 10^-40 J
b)
6.25 x 10^-28 J
c)
3.54 x 10^-15 J
d)
1.87 x 10^-19 J
20.
As an electron moves from n=1 to n=4, is energy absorbed or released?
a)
Absorbed
b)
Released
21.
As an electron moves from n=4 to n=1, is energy absorbed or released?
a)
absorbed
b)
released
22.
High frequency waves have _________ wavelength.
a)
varying
b)
high
c)
the same
d)
low
23.
Look carefully at the waves. Which carries the most energy?
a)
microwave
b)
infrared
c)
ultraviolet
d)
x-ray
24.
Which has the longest wavelength?
a)
microwave
b)
infrared
c)
ultraviolet
d)
x-ray
25.
What is this element?
1s22s22p63s23p1
1s22s22p63s23p1
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
26.
All types of electromagnetic radiation have the same
a)
speed
b)
wavelength
c)
frequency
d)
energy
27.
Frequency and wavelength are...
a)
inversely proportional
b)
directly proportional
c)
the same
d)
crazy
28.
Energy and frequency are...
a)
inversely proportional
b)
directly proportional
c)
the same
d)
not even related
29.
A line emission spectrum is produced when and electron releases energy as it moves...
a)
from a lower energy level to a higher energy level
b)
from a higher energy level to a lower energy level
c)
within the same energy level
d)
to Florida for the winter
30.
Electrons in the ground state have...
a)
the lowest possible energy
b)
the highest possible energy
c)
a way to escape the energy level they are in
d)
lots of energy
31.
In the quantum mechanical model of the atom, within the orbital
a)
you only know where you will likely find an electron
b)
you know the exact location of an electron
c)
electrons travel around the nucleus like planets around the sun
d)
you will find protons
32.
How many orbitals on the second energy level?
a)
2
b)
3
c)
4
d)
8
33.
How many electrons are needed to completely fill the third energy level?
a)
3
b)
9
c)
18
d)
27
34.
An element with 8 electrons in its highest energy level is a(n)
a)
noble gas
b)
alkali metal
c)
d block element
d)
s block element
100 %
