CH1012
                                         L1 /   
‹#›
                                         L1 /   
2
GROUP IVA
 
C is a low abundance (0.027%) non-metal.
Si is very abundant (27.7%) in the crust
               and with Ge is a metalloid.
               The rest are metals.
SYSTEMATIC CHEMISTRY OF GROUP IVA
F4F1 F4F2