According to the Band Theory, Which of These Statements Provide(s)

question 28

Multiple Choice

According to the band theory, which of these statements provide(s) an explanation for the high electrical conductivity of metals
I. a partly filled conduction band
II. a valence band overlapping an empty conduction band
III. a filled valence band
IV. a large gap between the valence band and the conduction band

• A) I and II
• B) I and III
• C) III
• D) III and IV
• E) IV

---

Definitions:

Conditional Expression

A statement in programming that evaluates to true or false, determining the flow of control in a program.

Bang Notation

In programming and database management, a syntax used to refer to elements within a collection, often seen as an exclamation point (!) followed by the element name.

Value Argument

A value argument refers to an argument in programming or function calls that passes the actual value of a variable, rather than its reference.

Update Query

A type of SQL query used to modify existing records in a database table.