what is a ion?
an ion is a charged atom
how is an ion formed?
an ion is formed when an atom gains or loses electron
why do atoms form ions?
atoms for ions in order to achieve a stable electron arrangement like a noble gas
how do metal atoms form particularly charged ions?
they loose electrons
how do non metal atoms make negatively charged ions?
they gain electrons
can atoms of two different elements have the same electron arrangement?
no