what is the basic idea of an ion
a type of species with more or less electrons then protons
what type of ion is it when there is MORE electrons then protons
negative ion
what type of ion is it when there is LESS electrons then protons
positive ion
when ions form what electron arrangement do they try to form
a full outer shell like a noble gas
what do metals usually form
positive ions
what do non-metals usually form
negative ions