Which of the Following Statements Is True

question 88

Multiple Choice

Which of the following statements is true?

• A) We can determine the exact location of an electron if we know its energy.
• B) Ni has 2 unpaired electrons in its 3d orbitals.
• C) An electron in a 2s orbital can have the same n, l, and m_l quantum numbers as an electron in a 3s orbital.
• D) Only three quantum numbers are needed to uniquely describe an electron.
• E) In the building up of atoms, electrons occupy the 4f orbitals before the 6s orbitals.

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Definitions:

Null Hypothesis

A statistical hypothesis which proposes no significant difference or effect, used as a default assumption until evidence suggests otherwise.

Alpha Level

The probability threshold that determines the critical value for rejecting the null hypothesis in hypothesis testing, commonly set at 0.05 or 5%.

Rejection Region

In hypothesis testing, the range of values for which the null hypothesis is considered unlikely and thus rejected.

Level Of Significance

A threshold in hypothesis testing that determines the probability at which the null hypothesis is rejected, commonly denoted by alpha (α).