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4_6025833880722868286.pdf

  1. 1. C Si Ge Sn Pb Fl Carbon Silicon Germanium Tin Lead 6 14 32 50 82 114 G r o u p 4 - T h e C r y s t a l l o g e n s THE GROUP 4 ELEMENTS ARE A MIX OF METALS, METALLOIDS & NON-METALS, AND SHOW CONSIDERABLE DIVERSITY IN THEIR PROPERTIES A L L OF THE GROUP 4 ELEMENTS H A V E F O U R VALENCE ELECTRONS 2013 COMPOUND INTEREST - WWW.COMPOUNDCHEM.COM TIN 232˚C GERMANIUM 937˚C CARBON 3730˚C LEAD 327˚C SILICON 1410˚C M E L T I N G P O I N T S CARBON SILICON GERMANIUM TIN LEAD DIAMONDS CARBON DATING GLASS ELECTRONICS MICROSCOPE & CAMERA LENSES TIN CANS RADIATION SHIELDING LEADED PETROL U S E S O F T H E C R Y S T A L L O G E N S Si CARBON M A K E S U P 18.5% OF THE HUMAN BODY T I N I S T H E E L E M E N T W I T H T H E LARGEST NUMBER OF STABLE ISOTOPES 10 112 Sn 114 Sn 115 Sn 116 Sn 117 Sn 118 Sn 119 Sn 120 Sn 122 Sn 124 Sn 8 T H E N U M B E R O F ALLOTROPES OF CARBON INCLUDING DIAMOND, GRAPHITE & BUCKMINSTER FULLERINE I T A L S O F O R M S ORGANIC COMPOUNDS THE STUDY OF WHICH I S K N O W N A S ORGANIC CHEMISTRY T H E G R O U P F O U R E L E M E N T S F O R M H Y D R I D E S W I T H H Y D R O G E N T E T R A H A L I D E S W I T H H A L O G E N S A N D A VA R I E T Y O F OXIDES WITH OXYGEN EH4 EX4 E X P O S U R E T O L E A D C A N C A U S E L E A D P O I S O N I N G Flerovium S I L I C O N IS THE SECOND MOSTABUNDANT ELEMENTINTHE EARTH’S CRUST AT 25.7% F L E R O V I U M IS ONE OF THE M A N - M A D E E L E M E N T S DISCOVERED IN 1999

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