Groups and Periods of the Periodic Table 1. Copy and Complete in your books Elements are arranged in rows and columns in the periodic table in order of increasing atomic mass. The vertical ________are called groups and the ___________rows are called periods. Li, ____ and K are in the same group while N,____ , F are in the same period. Elements in the same groups have the same number of electrons in their outer_______. For example, all the elements in _________ have 7 electrons on their outer shells. Elements in the same groups have similar ___________and physical properties Some groups have specific names: Group 1 elements are called Alkali, Group 2 Alkali Earth metal, Group 7 – halogen, Group 0- Noble Gases. Elements in the same period have the same number of outer shells. O, Group VII , columns, horizontal, chemical, shells, Na 2. If you could be and element, who would you be? Choose an element in the periodic table. Research using the internet about the element and produce a half page fact file about its properties. Include: Name, Symbol, Metal/Non Metal, key properties (i.e. melting point), real life uses, reactivity. The reason for you choosing it.