What did zoya and her freind do in response

1. list three scientific reasons cockroaches may fly.

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp