QMM and e config graded practice

What atom matches this electron configuration?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

• Zinc

• Copper

• Nickel

• Germanium

Tags

NGSS.HS-PS1-1

1s²2s²2p⁶3s² is the electron configuration for what element?

• Beryllium

• Manganese

• Magnesium

• Aluminum

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How are electrons arranged in an atom?

• In groups of five
• In energy levels
• By color
• By shape

Tags

NGSS.HS-PS1-1

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Tags

NGSS.HS-PS1-1

What is incorrect about this orbital diagram?

• Both arrows in the 2p box should be pointing up
• There is nothing incorrect with this diagram
• In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
• All the arrows should be pointing up.

Tags

NGSS.HS-PS1-1

Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?

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

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

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

Tags

NGSS.HS-PS1-1

The electron configuration of an atom is 1s² 2s²2p⁶ 3s²3p⁶ 4s². How many energy levels are occupied in this configuration?

• 2

• 3

• 4

• 6

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

Identify the Electron Configuration for Aluminum (Al)

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

Tags

NGSS.HS-PS1-1