A(n) ____ Is Anything That Can Be Seen, Touched, or Used

question 16

Multiple Choice

A(n) ____ is anything that can be seen, touched, or used.

• A) method
• B) class
• C) program
• D) object

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Definitions:

Ammonia

A compound of nitrogen and hydrogen (NH3) with a distinct pungent smell, used widely as a fertilizer and cleaning agent.

Lewis Structure

Representation of the distribution of electrons in molecules, showing how atoms are connected and where lone pairs of electrons are located.

Hydrogen Sulfide

A colorless, poisonous, flammable gas with the characteristic foul odor of rotten eggs; used in the manufacture of chemicals, in metallurgy, and as a fungicide and insecticide.

Lewis Structure

A graphical representation of molecules showing how valence electrons are distributed among atoms, and where dots and lines represent electrons and bonds, respectively.