The chart below shows the first five successive ionizations of element M. What is the formula of the ionic compound formed when element M combines with the carbonate anion. enthalpy (kl/mol) 16000 14000 12000 10000 8000 6000 4000 2000 0 1 2 3 4 5 Successive ionization energies Click here if the image doesn't load. B O M₂(COsh ○ MCO ○ M₂CO O MICO₂h

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