An element Y has the ionization energies shown in the table. Element Y is likely_____ a....

An element Y has the ionization energies shown in the table. Element Y is likely_____

a. K

b. Br

c. Ca

d. Si

Ionization energy table: first 419 kj/mol, 2nd 3051 kJ/mol, 3rd 4411 kJ/mol

Please explain why

Expert Solution

An element Y has the ionization energies shown in the table. Element Y is likely_____ a. K

Second ionization energy is greater than first ionization energy for an element as it is harder to remove a negatively charged electron from the positively charged ion. Third ionization energy is greater than second ionization energy for an element because you are now trying to remove a negatively charged electron from ion with a 2+ charge. Removing successive electrons from the same energy level requires a little more energy each time, but removing an electron from a lower energy level requires much, much, more energy because the electron being removed is then so much closer to the positively charged nucleus.

queen_honey_blossom answered 2 years ago

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