Which particle is emitted when an atom of 85kr spontaneously decays?
(1) an alpha particle (3...
Chemistry, 20.08.2019 21:30 kayciemarie9486
Which particle is emitted when an atom of 85kr spontaneously decays?
(1) an alpha particle (3) a neutron
(2) a beta particle (4) a proton
Answers: 1
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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