Select the Correct Electron Configuration for Cu (Z = 29)

question 48

Multiple Choice

Select the correct electron configuration for Cu (Z = 29) .

• A)[Ar]4 s ²3 d ⁹
• B)[Ar]4 s ¹3 d ¹⁰
• C)[Ar]4 s ²4 p ⁶3 d ³
• D)[Ar]4 s ²4 d ⁹
• E)[Ar]5 s ²4 d ⁹

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Definitions:

T-test for Dependent Means

A statistical method used to compare the means of two related groups.

α

In statistics, α (alpha) typically represents the level of significance, the probability of rejecting the null hypothesis when it is actually true.

Null Hypothesis

A hypothesis that assumes no statistical significance exists in a set of given observations and that any observed difference is due to chance.

T = 1.965

A specific value often used in statistical analysis, particularly in hypothesis testing, where it represents a critical value in a t-distribution.