Silicon, with 4 Valence Electrons, Is the Most Widely Used

question 52

Multiple Choice

Silicon, with 4 valence electrons, is the most widely used material for photovoltaic devices even though it is only a semiconductor. You can improve the conductivity with dopants. Which of these elements would best serve to create an n-type semiconductor when added to silicon?

• A) B
• B) C
• C) Ge
• D) P
• E) Both a and b

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Definitions:

Null Hypothesis

A hypothesis in statistics that suggests no significant difference or effect exists in the case under investigation.

Liberal Arts College

An institution of higher learning that emphasizes a broad undergraduate education, focusing on the liberal arts disciplines such as humanities, arts, sciences, and social sciences.

Business College

An educational institution or part of an institution dedicated to teaching subjects related to business, such as finance, management, marketing, and entrepreneurship.

Test Statistic

A value calculated from sample data used to determine whether to reject the null hypothesis in statistical hypothesis testing.