Atoms form ions to increase their stability. For example consider sodium which has a single electron in its outermost shell. If it looses this electron it will have a complete octet in its outermost shell which is way more stable than a single electron in the outermost shell. So to increase their stability in a way that is energetically feasable, atoms usually form ions.
It will either lose electrons (if the element is a metal) or gain electrons (if it is a non-metal in groups 3-7) in order to become stable and unreactive. Example: a calcium atom has 20 electrons, with two of these in its outer energy level. To become an ion, these 2 outermost electrons will be transferred to a non-metal (say, oxygen).
hello i have a Question
Loss or gain of electrons transform an atom in a ion.
If it looses or gains an electron
Either it loose electron or gain and if loose then it get positive charge and if gain then be negatively charged ion
when an atom loose electron it become negative ion and when it gains electron it become positive ion
Tellurium typically forms a 2- ion.
ion
A titanium ion
Reacting with another elements oxygen forms oxides.
Either it loose electron or gain and if loose then it get positive charge and if gain then be negatively charged ion
P3- ion (phosphide ion) is formed
Alkaline metals and hydrogen, all the elements in the first column of the Periodic Table.
they want to become stable by having all of the valence filled they want to become stable by having all of the valence filled
Cat-ion
when an atom loose electron it become negative ion and when it gains electron it become positive ion
sodium
No, aluminum does not become a negative ion; like all metals, it forms a positive ion.
Arsenic must gain 3 electrons to become the As-3 ion.
elements..., but fluoride is a polyatomic ion.
it becomes an ion