Question

what happens to ionization energy as you move down a group in the periodic table? becomes unpredictable remains constant increases dramatically decreases gradually why does ionization energy increase from left to right across a period in the periodic table? proton count remains constant atoms become smaller electron shielding decreases nuclear charge increases

Explanation:

1. As you move down a group in the periodic table, the ionization energy decreases gradually. This is because the out - ermost electrons are farther from the nucleus and are shielded by more inner - shell electrons, making them easier to remove.
2. Ionization energy increases from left to right across a period in the periodic table due to an increase in nuclear charge while the shielding effect remains relatively constant. This results in a stronger attraction between the nucleus and the outermost electrons, making them harder to remove.

Answer:

1. Decreases gradually
2. Nuclear charge increases