A beam of electrons (m= 9.11x10^-31 kg/electron) has an average speed of 1.3x10^8 m/s. What is the wavelength of electrons having this average speed, in picometers? a) 559 pm
b) 0.559 pm
c) 5.59x10^-12 pm
d) 5.59 pm

Different isotopes indicate that an element will have different numbers of

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change