What is 4,678,679 dl in scientific notation

Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d.the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas

Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)