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This Concept Map, created with IHMC CmapTools, has information related to: Elements, Non-metals Properties Low densities, ELEMENTS are classified into Non-metals, ELEMENTS Definition A substance that cannot be broken down into simpler substances by chemical reactions, Non-metals Properties Non-ductile and non-malleable (brittle), Metals Properties Shiny appearance, Metals Examples Mercury, Metals Examples Silver, Metals Properties Good conductors of heat and electricity, Elements are classified according to their properties in a PERIODIC TABLE More about periodic table Columns in a periodic table are called GROUPS, rows are called PERIODS, ELEMENTS Facts Elements are classified according to their properties in a PERIODIC TABLE, ELEMENTS are classified into Metals, ELEMENTS Facts There are 116 elements, 92 are found naturally and the rest are man made., Metals Examples Copper, Non-metals Examples Iodine, Metals Properties High melting and boiling points, Non-metals Properties Poor conductors of heat and electricity, Metals Examples Tin, Elements are classified according to their properties in a PERIODIC TABLE More about periodic table Elements from left to right in same period show a gradual change from metallic to non-metallic properties, ELEMENTS Facts Names of different elements can be represented using CHEMICAL SYMBOLS., Metals Examples Aluminium