The radioactive isotope z has a half-life of 12 hours. after 2 days, the fraction of the original amount remaining is

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?