Metallic character increases downward and increases from right to left across the period.
Electrical conductivity increases downward and to the left
density generally increases as atomic number increases.
Atomic radius increases from right to left within a period Atomic radius increases downward within families
Energy required to remove an electron.
Define ionization energy and how it trends from the following video: portal.com/academy/lesson/ionization- energy-trends-among-groups-and-periods- of-the-periodic-table.html portal.com/academy/lesson/ionization- energy-trends-among-groups-and-periods- of-the-periodic-table.html
Loss of electrons from an atom Examples… Li to Li +1, F to F -1