Chemistry - PERIODIC TABLE Question with Solution | TestHub

The third ionisation energy of carbon is less than that of third ionisation energy of Beryllium.

The first ionisation energy of ${\mathrm{C}}^{2+}$ ion is greater than that of first ionisation energy of ${\mathrm{N}}^{2+}$ ion

The second ionisation energy of Mg is greater than the second ionisation energy of Na

The second ionisation energy of nitrogen is less than that of second ionisation energy of fluorine