A(n) ________ Scale Is a Measurement in Which Numbers Are

question 18

Multiple Choice

A(n) ________ scale is a measurement in which numbers are assigned to characteristics of objects to allow comparison of the size of the differences among and between the objects.

• A) nominal
• B) graduated
• C) ordinal
• D) interval
• E) ratio

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Definitions:

Chiral Center

A carbon atom that is attached to four different groups, making its mirror images non-superimposable.

Stereoisomer

Molecules that have the same molecular formula and sequence of bonded atoms but differ in the three-dimensional orientations of their atoms in space.

Configuration

The fixed arrangement of atoms in a molecule that cannot be changed without breaking chemical bonds, different from conformation.

Asymmetric Carbon

A carbon atom bonded to four different groups or atoms, leading to chirality and optical activity in molecules.