Shared Flashcard Set

Details

Bio Terms 1
hollar at your gnome
21
Biology
01/19/2012

Additional Biology Flashcards

 


 

Cards

Term
acid
Definition
molecule that adds hydrogen ions to water
Term
atom
Definition
basis of all physical things
Term
base
Definition
molecule that removes hydrogen ions from water
Term
buffer
Definition
substance that counteracts changes in ph
Term
catalyst
Definition
material that laches onto reactants; holds them in positions that make it easier for chemicals to bond, to break, or to form
Term
chemical energy
Definition
potential energy stored in the positions of electrons within molecules and ions
Term
covalent
Definition
mutual attraction between two atoms that share an ion
Term
electron
Definition
subatomic particle with a negative charge
Term
energy of activation
Definition
quanity of energy required to boost a chemical reaction so that it proceeds rapidly
Term
heat energy
Definition
kinetic energy in the form of random movements of molecules and ions
Term
hydrogen bond
Definition
mutual attraction between the electric charges of two polar molecules
Term
ion
Definition
atom or molecule with an electric charge
Term
ionic
Definition
mutual attraction between atoms, that develops between a positivley charged ion and a negatively charged ion
Term
kinetic
Definition
energy within the movement of objects
Term
molecule
Definition
two or more atoms joined by chemical bonds
Term
neutron
Definition
subatomic particle with no electtic chsarge
Term
ph
Definition
ratio of hydrogen ions to hydroxyl ions within a watery solution
Term
potential energy
Definition
stored energy that is capable of moving an object
Term
proton
Definition
subatomic particle with a positive electric charge
Term
shell
Definition
space, within electrons travel, that is a particular distance from the nucleus of an atom
Term
solvent
Definition
liquid that disolves solids