What is Si4Cl8?

What color of streak is coal? What is the difference between a cleaner and a disinfectant? Why is hexane insoluble in water and methylene chloride is soluble in water? How does boiling point and melting point find a substance? Why are coal and petroleum considered fossil fuels? Would using fossil fuels like coal lead to increase acid rain? What does JC on inside of ring mean? How do cohesion and adhesion work together? When is two nuclei are combined? Why does the law of conservation of mass dictate the chemical equation be balanced? What is the results of an experiment must be? A polar covalent bond forms when are not shared equally between atoms? Is 2x detergent the same as HE detergent? What are elements common to most epics? What is the percentage of sulfuric acid in H2SO4? Does scotch contain sodium? Is the contraceptive pill fat or water soluble? What could you do to change the volume of a gas? Which list pairs each element in the table salt NaCI negitve or positive? What two colors can you put together to make a peanut butter color?

What is Si4Cl8?