What Is the Probable Origin of Cadmium's Electrical Conductivity When

question 9

Multiple Choice

What is the probable origin of cadmium's electrical conductivity when its electron configuration is [Kr]4d¹⁰5s²?

• A)One electron on each atom is promoted to a 5p orbital when many cadmium atoms interact,and these electrons are free to move.
• B)Empty 5p orbitals can be combined to form a conduction band overlaps the valence band,and electrons that move from the valence band to the conduction band are mobile.
• C)Pairs of mobile electrons form when many cadmium atoms interact.
• D)Cadmium has a very low ionization energy,which makes the valence electrons highly mobile.
• E)4d orbitals mix with 5s orbitals,creating empty energy bands in which electrons can move.

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Definitions:

Slope

The measure of the steepness or incline of a line, calculated as the ratio of the vertical change to the horizontal change between two points on the line.

Least Squares Regression

A statistical method used to find the line of best fit by minimizing the sum of the squares of the residuals between observed and estimated values.

Rain

Precipitation in the form of liquid water drops that have diameters greater than 0.5 millimeters.

Scatter Diagram

A graphical representation of two variables' values to observe any correlations, with individual data points plotted on a two-dimensional plane.