# 26.17: Q

Difficulty Level:

**At Grade**Created by: CK-12- qualitative observation
- observation that yields descriptive, non numerical results
- quantitative observation
- observation that yields meaningful, numerical results
- quantum (singular form of quanta)
- small unit of energy
- quantum mechanics
- the branch of physics that deals with the behavior of matter at the atomic and subatomic level
- quantum numbers
- four special numbers that completely describe the state of an electron in an atom
- quantum theory
- the theory that energy can only exist in discrete amounts (quanta)
- quark
- physical particles that form one of the two basic constituents of matter; various species of quarks combine in specific ways to form protons and neutrons, in each case taking exactly three quarks to make the composite particle

### Image Attributions

## Description

No description available here...

## Date Created:

Feb 23, 2012## Last Modified:

Jan 07, 2015
Files can only be attached to the latest version of None