Which elements atomic radius changes the most in size when it becomes ionized?

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?