What happens when gas particles in an inflated ball when it gets a hole? why?

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

When a septic tank backs up a goes in to clean it out

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.