When Boron Is Added to a Layer of Ultrapure Silicon

question 72

Multiple Choice

When boron is added to a layer of ultrapure silicon, the result is ________.

• A)n-type silicon
• B)p-type silicon
• C)an excess of negative charges
• D)electrons that are free to roam
• E)A and C

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Definitions:

Rectangle Area

The area of a rectangle is calculated by multiplying its length by its width.

Width

Width refers to the measurement or extent of something from side to side; in geometry, it is often used to describe the shorter side of a rectangle.

Division

A mathematical operation that is the inverse of multiplication; it involves splitting a quantity into equal parts.

Simplify

Reducing an expression or equation to its simplest form, often by combining like terms and applying arithmetic operations.