Which of the Following Statements Is True

question 77

Multiple Choice

Which of the following statements is true?

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

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Definitions:

Longitudinal Studies

Research designs that follow the same subjects over a period of time, allowing for the observation of changes or developments in the subjects.

Dependent Variable

In an experimental study, it is the variable being tested and measured, influenced by the independent variable.

Heart Rate

The number of heartbeats per unit of time, usually measured in beats per minute (bpm).

Case Control Studies

Research design that compares individuals with a specific condition or disease (cases) to individuals without the condition (controls), to identify potential causes or risk factors.