Question

name 10 cations and 10 and anions and make appropriate formula using them

Answer 1

Hello !
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10 ionic compounds are following : 
calculate their charge and metal makes cations and non metal makes anions 
Lithium fluoride  LiF 


Lithium chloride  LiCl 


Lithium phosphide  Li3P 


Beryllium fluoride  BeF2 


Beryllium chloride BeCl2


Beryllium bromide BeBr2


Beryllium iodide BeI2


Beryllium phosphide Be3P2


Boron fluoride  BF3


Boron chloride BCl3

Answer 2

                  CATIONS

Iron(II) ----Fe2+
Iron(III) -----Fe3+
Lead(II)-------- Pb2+ 
Lead(IV) ----Pb4+
Chromium(III) -----Cr3+
Copper(I)--- Cu+
Copper(II) --Cu2+
Hydrogen--- H+
Magnesium ----Mg2+
Lithium---- Li+

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                                        IONS

Nitrite ----NO2−
Oxide---- O2−
Sulfide----- S2−
Fluoride--- F−
Hydride-- H−
Bromide -----Br− 
Chloride ---Cl−
Iodide---- I−
Nitride ---N3−