Mass number minus the atomic number equals the number of neutrons. Mass number is the number of particles in an atom that have significant mass. Electrons are assigned a valâ¦ue of 0 since the mass is so much smaller than protons and neutrons. Protons and neutrons are similar in mass and are assigned mass number of 1.
Why Uber is losing so much money? The biggest part of the problem is that Uber is a relative small fish in the market and is not getting nearly enough customers. According to analyst reports, as of August 2015, Didi Kuaidi completed seven million rides as opposed to Uber's one million.
Here are seven other controversies that the company has been embroiled in over the years. None of them has seemed to really hurt it permanently. Uber will hit an annual revenue rate of $10 billion by the end of 2015, Business Insider reports. Sabotaging Lyft by booking rides and then canceling them.