why does inoinzation energy tend to decrease from top to bottom within a group?

i'm not sure, but i think it has something to do with the size of the element

The electrons involved in ionization, that is, the outermost electrons, are farther away from the nucleus, and are held less strongly. The energy to remove them (ionization energy) is less.

Similar Questions
    1. answers icon 1 answer
    1. answers icon 1 answer
  1. Thermal Energy Unit Test4 of 104 of 10 Items Question An increase in thermal energy leads to _____(1 point) Responses an
    1. answers icon 1 answer
  2. Which statement describes the locations of Earths volcanoes?A. They tend to form along plate boundaries. B. They tend to form
    1. answers icon 9 answers
more similar questions