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Start an single atom tab. observe the decay of polonium-211. after each decay, press the reset nucleus button to watch the process again. write a description of alpha decay for po-211
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Stage in which a star’s outer layers have started to cool and grow outward?
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Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
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What is the approximate absolute brightness and temperature of the main sequence star labeled B?...
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