Chemistry, 12.12.2019 08:31, ramanpreet
The average person in the united states is exposed to the following amount of radiations annually. rank the following source of radiation in the increasing order of their ability to cause harm to living tissue.
weapons-test fallout 1 millirem
cosmic radiation 26 millirems
air (radon-222) 0.198 rems
diagnostic x rays 0.040 rems
television tubes 11 millirems
nuclear medicine 0.015 rems
ground 33 millirems
Answers: 3
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 22.06.2019 09:00, boxergirl2062
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
Answers: 3
Chemistry, 22.06.2019 13:00, carlinryan
16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.
Answers: 2
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