definition of a metallic bond?

definition of a ionic bond?

definition of a covalent bond?

why do simple molecular substances have (molecules) have low melting and boiling points? and what does this explain?

giant structures.....

why do metals conduct?

why does ionic compounds and ionic solutions conduct?

why dont ionic solids conduct?

what are metals malleable and ductile?

giant ionic typical properties?

giant covalent typical properties?

simple molecular typical properties?

giant metallic typical properties?

definition of an atom?

definition of a molecule?

definition of an ion?

definition of an element?

definition of a compound?

definition od a cation and an anion?

delocalised electrons?