The periodic table arranges all chemical elements in special ways. Different types of chemical bonding, and patterns and trends can be observed in their arrangement.

"Periodic Table's Blank Spaces Filled In By Solving A Subatomic Shell Game." ScienceDaily. ScienceDaily, 26 March 2009. <www.sciencedaily.com / releases / 2009 / 03 / 090323143912.htm>.

Students learn to describe the pattern in atomic number, atomic mass and atomic radius. Trends on the Periodic Table: Students learn to describe the pattern in atomic number, atomic mass, atomic ...