Periodicity Trends in the Periodic Table Atomic Radius One half the distance between nuclei of identical atoms that are bonded together Decrease across a period due to increasing…
Periodic Law History of the Periodic Table Periodic Trends Mendeleev - 1869 Organize elements according to properties He noticed that certain properties appeared at regular…
Periodic Properties Valence Electrons Valence electrons â Electrons in the outer energy level that can be lost, gained, or shared (connected to the group #) Atomic Radii…