The Periodic Table Periods and groups The rows of the periodic table are called periods.. Hydrogen and helium are in period periods one.. Period two starts with lithium and so on one The columns are called groups. groups. The elements in the same group have similar chemical properties Periods and groups Highlight This is period four one two This is Highlight group one two group groupthree six Periods and groups 1 2 3 6 Group Names Some of the groups have special names You need to know these groups names: Alkali metals Halogens Noble gases Transitions metals Your Task Research the positions of the following groups Alkali metals Halogens Noble Gases Transitions metals Group names TheThe noble alkali Highlight the halogens are metals gases are are noble halogens gases alkali metals group group groupseven eight one The transition metals Theare transition They between metals groupsare twonot anda group three Metals and NonNon-metals What makes a metal a metal? Metals have metallic properties Name as many as possible Metals and NonNon-metals These can be found in different sections of the periodic table The metals are found to the left The NonNon-metals are found to the right Metals and non metals This is the line between the metals and nonmetals