Which chemical formula represents the composition of a mineral that usually exhibits fracture.

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

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit