How many atoms are present in 179.0 g of irídium

How air particles exert a pressure on the inside of the balloon

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

Type the letter that represents the correct location for each particle type below.