### entity:

Molecule
* All molecules absorb electromagnetic radiation
  - light or electromagnetic radiation at some particular set of wavelengths
  - radiant energy at one wavelength of another
  - are constantly in motion
* All molecules are in constant, random motion
  - motion except at absolute zero
* All molecules have a molecular weight which is determined by their composite atoms
  - dispersion forces
  - move, even in ice and other solids
* Any molecule can become a free radical by either losing or gaining an electron
  - has a mirror image
* Every molecule absorbs a specific type of light.
* Every molecule has corresponding copies of the molecule on the mind level
  - dispersive forces
  - multiple geometries
* Every molecule is an individual molecule and also a group of atoms
  - in a constant cycle of birth and decay
  - on average in a sate of lowest available energy, with no net force on it
  - possesses a quantum mechanical description or equation
* Many molecules are asymmetrical
  - incomplete and recombination seems to be a common event
* Many molecules can assume different states
  - be both nucleophiles and electrophiles
  - come in two varieties, one the mirror image of the other
  - contain bonds that fall between the extremes of ionic and covalent bonds
  - emit radiation at infrared wavelengths
  - exhibit useful electronic properties
  - form by identical atoms bonding together, like oxygen and nitrogen molecules
  - glow, or fluoresce, when hit by ultraviolet light
  - have one end that is slightly more positive and the other end slightly more negative
  - macromolecule, such as a phospholipid
  - move across membranes via diffusion
  - obey what is known as the octet rule
  - occurring in living organisms are very complex
  - together compose a physical body, which is more than just a collection of molecules
* More molecules are squeezed into the same volume, therefore the molecules are closer together.
* More molecules have enough energy that many more collisions have the necessary activation energy
  - sufficient energy to evaporate into water vapor
* Most molecules are far too small to be seen with the naked eye, but there are exceptions
  - proteins or nucleic acids
  - small, like methane
  - attract one another until they come very close together, when they become repulsive
  - have some rotatable bonds and consequently many low energy conformers
* Some molecules actually weigh more than others
  - adopt a preferred orientation in a magnetic field
  - aggregate in larger numbers
  - are beautiful for their complexity, others are beautiful for their simplicity
* Some molecules are located in apes
  - newts
  - permissive for growth and guidance, while other molecules are inhibitory
  - so long and skinny that they act like strands of spaghetti
  - very light, such as amino acid
  - become stimuli only if present while the cell is maturing
  - can rotate and vibrate in many different ways
  - come in both right and left handed forms
  - consist of two atoms of the same element
  - contain atoms with expanded octets
  - gain enough speed to break free of all the bonds and evaporate
* Some molecules have regions of postive and negative charge - the water molecule good example
  - the ability to assemble and take apart other molecules
  - possess a magnetic moment comparable to that of an electromagnet
  - receive a proton from a water molecule
  - speed up, some slow down.
  * are made up of atoms that are stuck together in a particular shape or form. Also, they like certain arrangements of atoms. For example, oxygen atoms always have two bonds with other atoms, carbon atoms always have four bonds with other atoms, and nitrogen atoms always have three bonds with other atoms
* absorb the UV light leading to ionization and release of a certain amount of energy.
* achieve maximum stability when electrons are shared between nuclei.
* act as very effective filters of light.
* also differ in how their atoms are arranged
  - lose electrons in strong fields
  - possess other types of energy that are quantized
* always pass from a region of high concentration to a region of lower concen- tration.
* appear in color as stick models, ball and stick, or space-filling.
* are a group of atoms
  - academic journals
  - also present in the straight and zigzag channels
  - always in motion
  - atoms held together by chemical bonds
  - borderline microscopic
  - built up from the atom, which is the basic unit of any chemical element
  - capable of absorbing energy
  - classified on the basis of their functional groups
* are close together and free to move past one another
  - in a set pattern
  - when they differ by few molecular fragments
  - collections of nuclie which share common electrons
  - colour-coded by orientation
  - combinations of atoms
  - constantly in rapid motion, moving about in their inter- molecular spaces
* are far apart and free to move past one another independently
  - flexible, moving collections of atoms
  - free to move in and out of our cubic foot of air
  - groups of atoms held together with covalent bonds
* are groups of two or more atoms bound together by electromagnetic forces
  - atoms connected by bonds that act like springs
* are held together by either covalent bonding or ionic bonding
  - shared electron pairs, or covalent bonds
* are in constant chaotic motion moving in straight lines between collisions
  - everything
  - invisibly small, and they differ from the familiar objects of daily life
  - kind of like building blocks, or lego
* are located in air
  - hands
  - minerals
  - substances
* are made up of atom s that are held together by chemical bonds
  - one or more atoms
  - more complex than atoms
  - notoriously difficult to guide and trap
  - of a group soul nature, meaning that they tend to go along with the crowd
  - on the move all the time
  - only the tip of the iceberg
  - part of donkeys
  - real physical objects
* are sometimes in between
  - the zero state, sometimes in the one state and sometimes in between
  - stable when they have pairs of electrons around their nucleus
  - structures containing two or more atoms chemically bound together
* are the basic structural units of chemical compounds
  - building blocks of a cell
  - nodes of the boolean network
  - ordering of atoms
  - signature of cool gas
  - simplest possible samples of new substances called molecular compounds
  - smallest units for chemical reactions
  - tiny particles which make up every solid, liquid or gas
  - too large to move freely through the membrane
* are two or more atoms held together by a chemical bond
  - used for compounds
* are very small when compared to aerosols
  - wavelength selective in the light they scatter
* attract each other.
* begin to form as elements from the stars escape into space
  - interact as their concentration increases
* behave like oscillating dipoles
  - the way they do because of their structure
* can also be chiral
  - ions - polyatomic ions
  - assume many shapes and sizes
* can be either pure or compound
  - monatomic, diatomic or polyatomic
  - three-dimensional and rotated to view from any angle
* can exist in a number of forms, one of the differences is that of the mirror image
  - many conformations, depending on torsional angles, temperature, and presure
* can have different shapes
  - specific and defined geometric shapes
  - mix in solution to form a great variety of basic and acidic decompositional compounds
  - move to a greater energy state only when energy is added to their system
  - move, rotate, and molecular bonds can break
  - obtain energy from radiation as well as from other molecules
  - range in size from a few nanometers to a few micrometers
  - slip over one another to adjust to the shape of their container
  - vary greatly in size and complexity
* collide with one another and the sides of the container.
* combine appropriately to form cells.
* combine in different densities to create liquids, solids, and gasses
  - specific ways to form microscopic cells
  - through chemical reactions to form polymeric substances known as polymers
  - with other molecules in chemical reactions
* compose our bodies.
* consist of more than one type of element
  - one or more atoms of one or more elements joined by chemical bonds
* constantly collide and tend to move according to existing concentration gradients.
* contain atoms, and the nuclei of atoms act like tiny magnets
  - identical atoms, Compounds contain atoms of at least two different elements
* containing only carbon and hydrogen are mostly insoluble in water.
* contains no hydrogen.
* continuously recognize and affect one another through chemical and physical interactions.
* differ in size and molecular weight as well as in structure.
* diffuse down a concentration gradient.
* encompass atoms.
* escape a dying star, carrying new atoms into space.
* evolve on the eubacterial tree of life.
* exit the cycle to form amino acids and carbohydrates.
* expand with heat and contract with cold.
* form crystals because of atomic attractions between specific points on the molecule.
* form when atomic orbitals overlap and form bonds
  - atoms share electrons
  - two or more atoms combine together
* fuse together, providing a better quality of metal.
* go from the random state to a state where they are lined up in a plane.
* have a way of looking alike
  - definite, predictable shapes and structures
* have different behaviors in different circumstances or surroundings
  - surroundings or circumstances
  - degrees of polarity as determined by the functional group present
  - light pulses and molecules transmit through their pulses
  - many more lines than atoms
  - minds
  - thermal energy
* includes atoms.
* includes chemical chain
* interact each other
  - through the substrate
  - with magnetic and electric fields and with electromagnetic radiation
* interact, more or less, only with their nearest neighbors.
* is an unit
* join together to form all matter.
* lies on a four-fold axis.
* like to move from areas of higher pressure to lower pressure.
* line up parallel along grooves.
* make the brain's nerve cells do what they do.
* make up matter, of which cells are a part
* meet electrons.
* move all the time, but sometimes more than other
  - and undergo chemical reaction in a framework of time
  - farther apart so the air expands
  - fast enough to escape the surface
* move faster and faster and are being bumped and bounced harder
  - in hot bodies than in cold ones
  - when they are warm
  - fastest in a gaseous environment and slowest in a solid environment
  - from an area or higher concentration to that of a lower concentration
* move in all directions and are in continual motion
  - and out based on air motions and temperature
  - much more rapidly in gaseous state than in a solid
* normally exist in discrete energy levels.
* occupying a place in infinity is an inconceivable proposition.
* only form in cold dense places.
* passively diffuse from regions of high to low concentration.
* penetrate the skin in a passive way - by diffusion.
* plays key role in cellular quality control machinery.
* produce infrared radiation at characteristic wavelengths when they vibrate or rotate.
* propagate in gas.
* react in many ways with the body Molecules react in many ways with the body
  - to form crystals and supramolecules
  - with temperature to form matter
* released by cancer cells can help detect recurrence of some types of cancer.
* repeal each other at small distances and attract at large distances.
* slow down when the temperature cools, molecules speed up when the temperature rises.
* stick to one another weakly by electrostatic attraction.
* tend to act like lazy people - they like to be at the lowest energy state
  - move from the high energy side of the boundary to the low energy side
* then collide and heat it up when they pass objects
  - draw back together, forming a shapeless lump of dirt and iron
* thereby fly relativly narrow together in relativly same direction.
* transfer their kinetic energy to other molecules through conduction.
* travel faster at higher temperatures, so they collide with other objects more frequently
* typically vibrate a small fraction of their interatomic separation.
* wander through the focal volume as they diffuse.