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Ionisation energy values of an atom are ...

Ionisation energy values of an atom are 495 , 767 , 1250 and 4540 kJ `"mole"^(-1)` the formula of its sulphate is

A

`MSO_(4)`

B

`M_(2)SO_(4)`

C

`M_(2)(SO_(4))_(3)`

D

`M(SO_(4))_(2)`

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The correct Answer is:
C
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