a) Un pato que nada en un estanque efectúa 25 oscilaciones en 4 minutos. Calcula el período de las ondas causadas por las oscilaciones del pato

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?

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

How many neutrons does an element have if its atomic number is 50 and its mass number is 166