Question

ionization enthalpy of mg

is more than that of Na why​

Answer 1

Answer:

please mention the qs

Explanation:

there don't have any meaningful wors

Answer 2

Explanation:

Zeff = Nuclear Charge - Shielding

Na= 1s2 2s2 2p6 3s1

Mg= 1s2 2s2 2p6 3s2

Zeff of Mg is greater than Na because Nuclear Charge is greater than electrons Shielding effect which decreases the size of atom and hence make it difficult to withdraw an electron due to which IE increases.