Electron Configuration and Atomic Structure Review and Practice

Electron Configuration

Open Ended

Who is your favorite superhero?

Open Ended

Who is your favorite villain?

Multiple Choice

How many electrons does Si contain? (click to see image)

• 14
• 28
• 2
• 4

Multiple Choice

What electron configuration matches an oxygen atom?

• 1s²2s²2p⁶3s2, 3p⁶4s²3d¹⁰4p⁵
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶4s²3d¹

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium

Multiple Choice

Identify the Electron Configuration for Aluminum (Al)

• 1s² 2s² 2p⁶ 3s² 3p¹
• 1s² 2s² 2p⁶ 3s² 3p³
• 1s² 2s² 2p⁶ 3s² 4p¹

Multiple Choice

Which electron configuration belongs to Copper (Cu)?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Multiple Choice

There are 4 different types of subshells s,p,d,f

• true
• false

Multiple Choice

Which electron configuration belongs to Chlorine (Cl)?

• 1s² 2s² 2p⁶ 3s² 3p⁵
• 1s² 2s² 2p⁶ 3s² 3p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁷

Multiple Choice

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is 

• 3
• 6
• 8
• 10

Multiple Choice

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Multiple Choice

What subatomic particle determines an atom's identity?

• proton

• neutron

• electron

Multiple Choice

What is located in the electron cloud?

• protons

• neutrons

• electrons

Multiple Choice

How many neutrons are in Cu-65?

• 65

• 29

• 36

• 64

Multiple Choice

How many neutrons are in Fe-56?

• 56

• 26

• 30

• 20

Multiple Choice

Where is the majority of an atom's mass located?

• nucleus

• electron cloud

• protons

• neutrons

Multiple Choice

Where contributes to the majority of an atom's volume?

• nucleus

• electron cloud

• protons

• neutrons

Multiple Choice

Which subshell represents the outermost electrons on this Bohr model?

• 4s²

• 4d¹⁰

• 3d⁸

• 3s²

Multiple Choice

Which of the following corresponds to sodium's valence electrons?

• 2s¹

• 3s¹

• 3s²

• 4s¹

Multiple Choice

What is the correct electron configuration for this Bohr model?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p³

• [Kr] 5s² 4d¹⁰ 5p²

• [Kr] 5s² 4d¹⁰ 5p⁵

• 1s² 2s² 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵

Multiple Choice

How many valence electrons does Chromium have?

• 2

• 4

• 14

• 8

Multiple Choice

How many valence electrons does Sulfur have?

• 6

• 4

• 10

• 2

Multiple Choice

What element does the following electron configuration represent?

[Ar] 4s¹

• Argon

• Potassium

• Chlorine

• Phosphorus

Multiple Choice

What element does the following electron configuration represent?

1s² 2s² 2p⁶ 3s² 3p³

• Argon

• Potassium

• Chlorine

• Phosphorus

Multiple Choice

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Multiple Choice

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

• 20
• 10
• 5
• 25

Multiple Choice

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Multiple Choice

The mass of one proton is greater than the mass of one...

• neutron
• electron

Multiple Choice

Which letter represents a proton?

• A
• B
• C
• D

Multiple Choice

Which letter represents a neutron?

• A
• B
• C
• D

Multiple Choice

Which letter represents an electron?

• A
• B
• C
• D

Multiple Choice

Which letter represents the nucleus?

• A
• B
• D
• E

Multiple Choice

What is the atomic mass of the atom pictured? 

• 9
• 10
• 18
• 19

Multiple Choice

What is the atomic number of the atom pictured? 

• 9
• 10
• 18
• 19

Multiple Choice

What is the element name of the atom pictured? 

• Fluorine
• Neon
• Argon
• Potassium

Multiple Choice

Which subatomic particles contribute the most to the mass of an atom?

• Protons, Neutrons, Electrons
• Protons only
• Protons and Electrons
• Protons and Neutrons

Multiple Choice

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

• 12 neutrons
• 12 electrons
• 12 protons
• 24 protons and neutrons

Multiple Choice

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

Multiple Choice

Calculate the number of neutrons in H-2

• 0

• 1

• 2

• -2

Multiple Choice

What atom matches this electron configuration?
1s² 2s² 2p⁶ 3s²

• Neon
• Magnesium
• Aluminum
• Potassium

Multiple Choice

Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶

Multiple Choice

What atom matches this electron configuration?
[Xe] 6s² 4f¹⁴ 5d⁹

• Mercury
• Gold
• Platinum
• Thallium

Multiple Choice

What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p³
  

Multiple Choice

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Multiple Choice

Identify this atom: 

• Lithium
• Chlorine
• Phosphorus 
• Fluorine

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc
• Copper
• Nickel
• Germanium