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Chemistry, 21.06.2019 13:10
Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.
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Chemistry, 22.06.2019 14:30
In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
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Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
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Social Studies, 02.12.2019 17:31
Social Studies, 02.12.2019 17:31
Chemistry, 02.12.2019 17:31
Mathematics, 02.12.2019 17:31
Mathematics, 02.12.2019 17:31
Biology, 02.12.2019 17:31
Geography, 02.12.2019 18:31
History, 02.12.2019 18:31
Mathematics, 02.12.2019 18:31
History, 02.12.2019 18:31
History, 02.12.2019 18:31