How much of the original C-14 would you expect to find in a bone that is
11,480 years old?

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

How will the emission of an alpha particle affect the atomic number of an atom

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j