Flashcards in Nuclear Chemistry Deck (49)
What are penetrating rays emitted by a radioactive source called?
What is a gas filled metal tube used to detect radiation?
What are changes in the structure of DNA that fuels evolution?
What is the SI unit for measuring the amount you are exposed to ionizing radiation called?
What is a relatively constant level of natural radiation?
What contains two protons and two neutrons and has a double positive charge?
What device uses a phosphor to detect radiation?
What is the time required for half of the atoms of a radioisotope to emit radiation and to decay?
What happens when the nuclei of certain isotopes are bombarded with neutrons splitter the nucleus into smaller fragments?
What is a control method for neutrons that involves decreasing the number of slow neutrons?
What is the process that uranium gives off rays?
What is a radioactive substance because they have unstable nuclei?
What is radiation that carries energy and potential harm and causes electrons to be ejected from atoms and molecules forming ions?
What are radioisotopes used to study chemical reactions and molecular structures?
What are rods of cadmium that are used to increase or decrease the amount of energy produced?
What do we use to measure the ionizing effect of living organisms?
What is the number of ionizations within a given volume?
What is the cancer of the white blood cells?
What happens when two nuclei combine to produce a nucleus of heavier mass?
What is a disease where cell growth and metabolism is out of control?
What consists of fast-moving electrons formed by the decomposing of a neutron of an atom?
What are atoms of the same element with a different number of neutrons?
What process is an unstable nucleus that loses energy by emitting radiation?
What unit expresses the absorbed dose of radiation?
What process slows down the neutrons so that they can be captured by the reactor fuel to continue the chain reaction?
What are pellets of Uranium used to make energy?
What is electromagnetic radiation in the visible and lower energy regions that is not harmful?
What is very harmful electromagnetic radiation with no mass and no electrical charge, with a very high frequency and small wavelength?
What is the quantity of radiation received?