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

A) ¹³C
B) ¹²C
C) ²³⁸U
D) ¹⁴C

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

A) None of the answers are correct.
B) From the atmosphere.
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) both convert mass directly to energy.
C) the electrons in oribit around the nucleus are released into space.
D) in both, different nuclei are formed.

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

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

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

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

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