The Only Noble Gas That Does Not Have the Ns²np⁶

question 51

Multiple Choice

The only noble gas that does not have the ns²np⁶ valence electron configuration is __________.

• A)radon
• B)neon
• C)helium
• D)krypton
• E)All noble gases have the ns²np⁶ valence electron configuration.

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Definitions:

Payback Period

The duration of time it takes to recoup the initial investment in a project or asset, calculated by dividing the investment amount by the annual cash inflow.

Internal Rate

Often refers to the internal rate of return (IRR), a metric used to estimate the profitability of potential investments.

Net Present Value

A financial metric that calculates the present value of all cash flows associated with a project, considering both inflows and outflows, to assess profitability.

Initial Investment

The amount of money used to start a project, investment, or venture for the first time.