Nuclear Chemistry Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 2) are particle accelerators built to produce high-speed particles needed to induce transmutations5) isootopes of atoms with unstable nuclei6) is the conversion of an atom of one element into an atom of another element7) how new isotopes are formed8) is when a nucleus pulls in an electron and combines with a proton to form a neutron9) are formed of high energy electromagnetic radiation11) is the time required for one-half of a radioisotope's nuclei to decay into products Across: 1) types of radiation that have sufficient energy to change atoms and molecules into ions3) elements following uranium in the periodic table that have been produced in the laboratory by induced tranmutation and are radioactive4) the mass need to sustain a chain reaction10) the splitting of a nucleus into fragments.12) rays and particles given off by a radioactive source13) the process of determining the age of an object by measuring the amount of a certain radioisotope remaning in that object14) process by which materials give off rays spontaneously15) converts protons into neutrons16) what a source is called if it gives off radiation17) do not have enough energy to ionize matter18) is when the mass is too small to sustain a chain reaction, because the neutrons escape colliding with more U-23519) refers to protons and neutrons which are found in the nucleus of atoms20) when the mass is much greater that the critical mass and the chain reaction escalates rapidly21) the difference in mass between a nucleus and its component nucleons22) refers to protons and neutrons which are found in the nucleus of atoms23) the combining of atomic nuclei24) is a force that acts only on subatomic particles that are extemely close together, overcomes the elctrostatic repulsion between
 

 

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