bonds and molecules Flashcards
what electrons take party in bonding?
the outer electrons
what are the 2 types of binds?
ionic and covalent
what elements are in a ionic bond?
non metal and metal elements
what elements are in a covalent bond?
only non metal elements
what is a covalent bond?
a shared pair of electrons
what is a molecule?
a molecule is two or more atoms held together by covalent bonds
what is a diatomic element?
it is made up of two atoms joined by sharing electrons
what are the types of covalent structure?
covalent network and covalent molecular
what sort of attraction does a convent molecular have?
week force of attraction
what is a covalent molecular?
within the molecule the atoms are held together by covalent bonds. melting and boiling molecular substances involves the breaking of the weak force of attraction between the molecule.
what is a covalent network?
a covalent network exists as a 3 dimensional network of thousands of of non metal atoms joined together by covalent bonds