Electron Energy

Electron arrangement

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Multiple Choice

How many electrons can the 4th principal energy level hold?

• 2

• 8

• 18

• 32

Multiple Choice

How many electrons can the first energy level hold?

• 1

• 2

• 8

• 0

Multiple Choice

What is the maximum number of electrons in the second energy level?

• 18

• 8

• 32

• 2

Multiple Choice

How does the energy of an electron change when the electron moves closer to the nucleus?

• it decreases.

• it increases.

• it stays the same.

• it doubles.

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

Multiple Choice

Which of these is correct?

Multiple Choice

This could be the dot diagram of

• P
• Ar
• Na
• B

Multiple Choice

What is electron configuration ?

• the arrangement of protons in an atom.

• the arrangement of electrons in an atom.

Multiple Choice

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle