How Many Electrons Are There in the 2^nd Principal Energy

question 31

Multiple Choice

How many electrons are there in the 2^nd principal energy level (n = 2) of a phosphorus atom?

• A) 3
• B) 5
• C) 6
• D) 8
• E) 10

Grasp the significance of feedback and skill development in enhancing leadership qualities.

Comprehend the nuanced challenges and advantages of leadership roles.

Appreciate the impact of leadership on company performance relative to other factors.

Analyze the dynamics of effective followership and its contribution to leadership.

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Definitions:

Proton Spin Decoupled

A nuclear magnetic resonance (NMR) technique used to simplify spectra by removing proton-proton coupling interactions.

Down Field

In NMR spectroscopy, referring to shifts in resonance frequency towards lower magnetic field strengths, often indicating an electron-withdrawing environment.

Proton Spin Decoupled

A technique in NMR spectroscopy where the interactions between proton spins are removed or decoupled, simplifying the spectrum and making it easier to interpret.

P-Diethylbenzene

A type of diethylbenzene where the ethyl groups are attached to para positions on a benzene ring, providing unique chemical properties.