Shared Flashcard Set

Details

Biology
General Biology
10
Biology
Undergraduate 1
01/10/2010

Additional Biology Flashcards

 


 

Cards

Term

Element

 

Definition
a substance that connot be broken down into any other substances.
Term
Atom
Definition
the simplest unit of an element that retains the element's characteristics
Term
atomic number
Definition
the number of protons found in the nucleus of an atom
Term
valence shell
Definition
outermost occupied energy level of an element
Term
covalent bond
Definition
strongest type fo chemical bond
Term
molecule
Definition
two or more atoms held together by shared electrons (covalent bonds)
Term
compound
Definition
formed when two or more different atoms bond together chemically to form a unique substance
Term
ions
Definition
charged atoms
Term
ionic bond
Definition
positive and negative bonds attracted to each other
Term
polar molecules
Definition
molecules that have regions of patrial
Supporting users have an ad free experience!