What is the electron configuration for this atom?

• 1s²2s²2p⁶
• 1s²2s²2p⁵
• 1s²2s²2p³
• 2s²2p³

Tags

NGSS.HS-PS1-1

This orbital diagram represents:

• Carbon

• Boron

• Nitrogen

• Oxygen

Tags

NGSS.HS-PS1-1

Which atom matches this shorthand electron configuration?

[Xe] 6s²4f¹⁴5d⁹

• Mercury

• Gold

• Platinum

• Thallium

Tags

NGSS.HS-PS1-1

Which example shows a violation of Hund's Rule?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

How many electrons can the p sublevel hold?

• 14
• 10
• 2
• 6

Tags

NGSS.HS-PS1-1

Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?

• Hund's
• Aufbau's
• Pauli's Exclusive

All orbitals of equal energy are occupied by one electron before any single orbital is occupied by a second electron.

• Aufbau principle
• Pauli exclusion principle
• Hund’s rule
• Core Notation

Which of the following is written correctly?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Which of the following has a -3 charge?

• Boron
• Fluorine
• Nitrogen
• Neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

TRUE or FALSE: valence electrons are in the last s or s and p orbitals.

• true

• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2