Nuclear Chemistry Review

Which phrase identifies and describes this rxn?

•  fission, mass converted to energy

• fission, energy converted to mass 

• fusion, mass converted to energy

• fusion, energy converted to mass

What is the total number of grams of a 32-gram sample of P-32 remaining after 71.5 days of decay?

• 1.0 gram

• 8.0 gram

• 4.0 gram

• 2.0 gram

Which type of emanation is represented by the arrow labeled 2?

• Gamma Radiation

• beta particle

• positron

• alpha particle

 Which risk is associated with using nuclear fission to produce energy in a power plant?

• depletion of hydrocarbons

• exposure of workers to radiation

• depletion of atmospheric O2

• exposure of workers to SO2

 An uncontrolled chain reaction takes place during the

• operation of a fission nuclear reactor

• explosion atomic bomb

• production of energy by SUN

• fusion of light nuclei into heavier nuclei

A serious risk factor associated with the  operation of a nuclear power plant is the production of

• Helium

• Acid rain

• Radioisotopes w/ long-half lives

• greenhouse gas, ex: CO2

Which isotope is used to treat cancer?

• Co-60

• Pb-206

• C-14

• U-238

What does x represent in this rxn?

Co-60 and Iodine-131 are radioactive isotopes used in

• nuclear pwr

• medical procedures

• industral measurements

• dating geologic formations

Referring to Table N, which substance is a radioactive waste product that is safest to release into the atmosphere after it has decayed to a safe radiation level? 

• radon-222

• Cesium-136

• cobalt-60

• radium-226