Electron Configuration

This orbital diagram represents:

• Carbon

• Boron

• Nitrogen

• Oxygen

Which atom matches this noble gas electron configuration?

[Xe] 6s²4f¹⁴5d⁹

• Mercury

• Gold

• Platinum

• Thallium

Which example shows a violation of Hund's Rule?

• A

• B

• C

• D

How many electrons can the p subshell hold?

• 14
• 10
• 2
• 6

Which of the following is written correctly?

• A

• B

• C

• D

Which of the following would most likely form an ion with a -3 charge?

• Boron
• Fluorine
• Nitrogen
• Neon

An aluminum ion would have which electron configuration?

• [1s² 2s² 2p⁶ 3s²]⁺³

• [1s² 2s² 2p⁶ 3s² 3p¹]⁺³

• [1s² 2s² 2p⁶ 3s² 3p⁶]^_3

• [1s² 2s² 2p⁶]⁺³

Which ion has this electron configuration [1s²2s²2p⁶3s²3p⁶]

• Na⁺

• O^2-

• P^3-

• Rb⁺

How many valence electrons does Si contain?

• 14
• 28
• 2
• 4

Which element is pictured?

• neon
• fluorine
• magnesium
• argon