When electrons absorb energy they are able to
a. move from exited states down to their ground...
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Chemistry, 22.06.2019 08:40
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.
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If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !
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Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg
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Chemistry, 23.06.2019 21:40
An ocean wave has a wavelength of 2 meters and a period of 5 seconds. what is the speed of the wave? 25 mis 10ms 50 mis turn itu ask for necquesten
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