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Covalent Bond vs Ionic Bond

An atom X has...

Question

An atom X has three electrons more than the noble gas configuration. What type of ion will it form? Write the formula of its nitrate, sulphate, phosphate, carbonate and hydroxide.

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Solution

X has three electrons more than noble gas configuration
so,it will form X3-
formula with sulphate is X₂(SO4)₃
nitrate is X(NO3)₃
phosphate is XPO4
Carbonate is X₂(CO3)₃
hydroxide is X(OH)₃

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