INSTRUCTIONS: Choose the Word or Phrase in [ ] Which

question 42

Multiple Choice

INSTRUCTIONS: Choose the word or phrase in [ ] which will correctly complete the statement. Select
-You are single with no dependents,age 30.Based on this information,you [could | could not] use the 1040EZ.

• A)for the first item
• B)for the second item
• C)if neither item will correctly complete the statement.

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Definitions:

Ethyne

A colorless hydrocarbon gas with the formula C2H2, known for its use in welding as acetylene.

Molecular Shape

The three-dimensional configuration of atoms within a molecule, determining many of the properties of the molecule, including reactivity and biological activity.

Phosphine

A toxic, flammable gas composed of phosphorus and hydrogen, used as an insecticide and in various industrial processes.

Lewis Structure

Diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.