A student states that the order of reactivity cannot be found from this experiment because bromine is a liquid, chlorine is a gas and iodine is a solid at room temperature. Evaluate the student's statement.

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

What does the symbol (–hfus) indicate in a phase change?

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.