Unique property of carbon --Bond to one another in a virtually limitless number of arrangements Carbon Atomic Weight 12.011 Melting Point 3823.2K Boiling Point 1st lonization Energy 1086.4 kJ/mol Density 2.266gcm3 Electron Configuration [He]2s22p2 Atomic Radius 77.2Unique property of carbon ---Bond to one another in a virtually limitless number of arrangements