Answer to Question #175723 in General Chemistry for Estrella

Question #175723

Examine other groups and periods in the periodic table to see if the same trends exist. What trends do you see in ionization energy down a group and across a period?


1
Expert's answer
2021-03-26T05:45:21-0400

It is realistic that the same trend exists in other groups. For example, when we lfocus at groups beginning with 8 and greater, we discover that each element has valence which is 1 point greater compared to every previous group, and the mass increases as we go down the group.

Trends in ionization energy down a group: it decreases while the nucleus diameter of the atom increases and charge remains the same, which means that it is easier to tear electrons from the atom.

The ionization energy tend to increase across a period since the charge of nucleus increases and stronger electric forces bond electrons and nucleus.


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