What is the name of $$Br^-$$  ?

(a)  

What is the name of $$I^-$$  ?

(a)  

What is the formula of an hydroxide ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the formula of a Nitrate ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the formula of an Nitrite ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the name of $$HSO_4^{\ \ -}$$  ?

(a)  

What is the name of $$CN^-$$  ?

(a)  

What is the name of $$MnO_4^{\ -}$$  ?

(a)  

What is the formula of a chlorate ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the name of $$ClO^-$$  ?

(a)  

What is the name of $$S^{2-}$$  ?

(a)  

What is the formula of an Sulphite ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the formula of a Sulphate ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the name of $$SiO_3^{\ \ 2-}$$  ?

(a)  

What is the name of $$CO_3^{\ \ 2-}$$  

(a)  

What is the name of $$CrO_4^{\ \ 2-}$$  ?

(a)  

What is the name of $$Cr_2O_7^{\ \ 2-}$$  ?

(a)  

What is the name of $$N^{3-}$$  ?

(a)  

What is the formula of a phosphide ion?(answer in the form of O2- for  $$O^{2-}$$  )

(a)  

What is the name of $$PO_4^{\ \ 3-}$$  ?

(a)  

What is the formula of an flouride ion?(answer in the form of O2- for    $$O^{2-}$$   )

(a)