A) Is used determine the age of living organisms.
B) Two of the answers are correct.
C) Is used to determine once living materials.
D) Used to determine the age of non-living material.

A) ²³⁸U
B) ¹²C
C) ¹³C
D) ¹⁴C

A) None of the answers are correct.
B) Shows the path of radioactive decay from unstable isotope to stable isotope.
C) Shows the path of radioactive decay from stable isotope to unstable isotope.
D) Shows all the stable and unstable isotopes of the elements.

A) From the atmosphere.
B) None of the answers are correct.
C) From the walls of basements.
D) It is a naturally occuring isotope in the decay chain of ²³⁸U.

A) the energy absorbed to form the new nucleus is very great.
B) in both, different nuclei are formed.
C) both convert mass directly to energy.
D) the electrons in oribit around the nucleus are released into space.

A) an atom losing an electron.
B) two smaller atoms joining together to form a larger atom.
C) the splitting of an atom into smaller atoms.
D) an atom gaining a proton.

A) two smaller atoms joining together to form a larger atom.
B) an atom gaining a proton.
C) an atom losing an electron.
D) the splitting of an atom into smaller atoms.

A) Both of the answers are true.
B) The atomic bomb uses nuclear fission, while the hydrogen bomb uses nuclear fussion.
C) Both of the answers are false
D) The hydrogen bomb is more powerful than the atomic bomb.

A) The use nuclear fission.
B) They use nuclear fussion.
C) They use both nuclear fission and nuclear fussion.
D) The don't use either nuclear fission or nuclear fussion.

A) Three-Mile Island, Harrisburg, Pennsylvaina
B) Hiroshima, Japan
C) Chernobyl, Ukraine
D) Nagasaki, Japan