Flashcards in Final Exam 2017 Deck (100)
What is the term for radioisotopes that are used to study chemical reactions and molecular structures?
What is the term for radiation that carries energy and potential harm and causes electrons to be ejected from atoms and molecules forming ions?
What are radioactive substances because they have unstable nuclei?
What is the term for the process that uranium give off rays?
What is a control method for neutrons that involves decreasing the number of slow neutrons?
What is the term for when the nuclei of certain isotopes are bombarded with neutrons splitter the nucleus into smaller fragments?
What is the term for the time required for half of the atoms of a radioisotope to emit radiation and to decay?
What is the device that uses a phosphor to detect radiation?
What contains 2 protons and 2 neutrons and has a double positive charge?
What is the term for a relatively constant level of radiation?
What is the SI unit for measuring the amount you are exposed to ionizing radiation?
What is the term for the changes in the structure of DNA that fuels evolution?
What is a gas filled metal tube used to detect radiation?
What is the term for penetrating rays emitted by a radioactive source?
What is the term for a form of ionizing radiation that results from changes in the nuclei of atoms?
What is a factor in the materials' ability to warm up (amount of energy needed to raise 1 gram - 1* Celsius)?
What is the result of simultaneous collisions of billions upon billions of gas particles with an object?
What gases are propellants used in aerosol cans and as coolants in fridges and air conditioners and solvents for cleaning microchips?
What is the layer of gas that surrounds the earth and protects us from UV rays, it is only about 3 mm thick?
What is the process mammalian so use to convert oxygen and sugar into carbon dioxide and water?
What is the outermost layer of the atmosphere that contains electrically charged particles called ions a reflects radio waves?
What is an unstable nucleus that loses energy by emitting radiation during a process?
What is the term for the atoms of the same element with a different number of neutrons?
What consists of fast-moving electrons formed by the decomposing of a neutron of an atom?
What is the term for a disease where cell growth and metabolism is out of control?
What is the term for when 2 nuclei combine to produce a nucleus of a heavier mass?
What is the term for the cancer of the while blood cells?
What is the term for the number of ionizations within a given volume?
What do we use to measure the ionizing effect of living organisms?