Carbon is a chemical element and its symbol is C. The atomic number and atomic mass of carbon are 6 and 12 respectively. It is a non-metal. The normal phase of carbon is solid. There are many allotropes of carbon but main three allotropes are graphite, diamond and amorphous. Amorphous carbon is in powdered form. Graphite is black in color and diamond is a white or clear crystal. The electronic configuration of a carbon atom is 1s2 2s2 2p2.