The division line is the dark line under boron, silicon, etc.
Nonmetallic elements lie to the right side of the dividing line mentioned in the previous answer.
It is among the most abundant compounds on earth. Draw the Lewis dot structure for SiO 2 . White phosphorous burns brightly and vigorously in air and can result in very serious and painful chemical burns. Soldiers who used this chemical weapon called it 3Willy P.2 Balance the reaction for the combustion of phosphorous shown below. Draw a picture to illustrate your answer.