Write the formulae and names of the compounds formed by the following ions: 1.Pottasium ion and iodine ion 2.Sodium ion and sulphide ion 3.Aluminium ion and phosphate ion.

Dear Student,

The  compound  formed between potassium(K+) and Iodide (I-1) ions is Potassium Iodide (KI)
The  compound  formed between sodium(Na+) and sulphide(S-2) ions is Sodium Sulphide (Na2S)
The Compound formed between aluminium (Al+3) and phosphate (PO4-3) is aluminium phosphate (AlPO4)

Regards!
 

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