CHEMISTRY (The Periodic Table)

The Periodic table is a very important part of Chemistry.The tableahs eight groups of elements,plus a block of transition metals. Group one of table is often called as the alkali metals,group is the alkaline earth metals,group eight is called the halogensand group 0 is the noble gases. The horizontal rows in a table are called periods.Period two contains lithium,beryllium,boron,carbon,nitrogen,oxygen,fluorine and neon. The atoms of the transition metals have more complicated electron arrangements.