What Is the Total Cost for One Piece of 8

question 202

Multiple Choice

What is the total cost for one piece of 8 in. x 16 in. metal duct at $11.42 and two pieces of 8 in. x 12 in. metal duct at $5.73?

• A) $17.43
• B) $23.99
• C) $22.88
• D) $19.56
• E) $25.54

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Definitions:

Covalent Bonds

Bonds formed by the sharing of electron pairs between atoms, enabling stability in their outer electron shell and contributing to the formation of molecules.

VSEPR

Valence Shell Electron Pair Repulsion theory, a model used to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.

Lewis Structures

Diagrams that represent the valence electrons of atoms within a molecule, indicating the bonding between atoms and the lone pairs of electrons.

Elemental Symbol

A one or two-letter notation derived from the Latin name of a chemical element used to represent it in the periodic table, such as H for hydrogen.