These Are Textual Representations of Facial Expressions, Often Used in E-Mail

question 19

Multiple Choice

These are textual representations of facial expressions, often used in e-mail messages:

• A) textspressions
• B) emoticons
• C) e-smiles
• D) faceprints

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Definitions:

Newman Projection

is a way to visualize the spatial arrangement of bonds from the perspective of looking down the bond axis between two carbon atoms in a molecule.

C2-C3 Bond

A bond linking the second and third carbon atoms in a carbon chain, important in understanding the structure of organic molecules.

2,3-Dimethylbutane

A branched chain alkane with the formula C6H14, having methyl groups at the second and third carbon atoms of the butane chain.

Compound Name

The official identification of a chemical substance based on its structural elements and molecular composition.