Iron Has Two Conductance Electrons in Its Outer Orbital Shell

question 17

Multiple Choice

Iron has two conductance electrons in its outer orbital shell. Its mass density is 7.87 g/cm³, and the molar mass is 55.85 g/mol. What is the drift velocity when a voltage of 12 V is applied across a 2.0 m length of iron wire?

• A)0.1 mm/s
• B)0.7 mm/s
• C)1.4 mm/s
• D)2.2 mm/s

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Definitions:

Opponent-Process Theory

A theory primarily applied in vision and color perception, proposing that the human visual system interprets color in an antagonistic way, through pairs of opposite colors.

Negative Color Afterimages

Visual illusions where an image continues to appear in one's vision after the exposure to the original image has ceased, often in a complementary color scheme.

Bipolar Cells

Specialized neurons in the retina that play a crucial role in the visual processing by connecting photoreceptors to ganglion cells.

Ganglion Cells

Type of neurons located in the retina that receive visual information from photoreceptor cells and transmit it to the brain.