chemistry- bonding Flashcards
what is the name for a bond formed between 2 non metals
covalent
what is the name for a bond formed between a metal and a non metal
ionic
what is the name for a charged atom
ion
what is the name for a substance made up of 2 or more atoms chemically bonded together
compound
what is the name for a substance made up of only one type of atom
element
what is the name for a long chain of monomers joined together
polymer
fullerenes, nanotubes and graphene are all made up of which atom
carbon atoms
what is a metal consisting of a mixture of diffrent sized metal atoms callled
alloy
name a non metal substance that conducts electricity
graphite
how many bonds form between each carbon atom in diamond
4
how many bonds form between each carbon atom in graphite
3
give a property of all simple molecules
don’t conduct electricity, low melting/boiling point
give an example of a giant ionic lattice
sodium chloride
what must be done to a giant ionic substance so that it will conduct electricity
melt or dissolve it
what forms when an atom gains electrons
negative ion forms
what forms when an atom loses electrons
positive ion forms
why do atoms bond
to get a full outer shell
which type of bonding involves the sharing of electrons
covalent
what are delocalised electrons free to do
move
what property do delocalised electrons allow
conduction of electricity
why do covalent molecules not conduct electricity
they are neutral
which structured consist of hexagonal rings of carbon atoms
fullerenes
