what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
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identify the nuclide produced when uranium-238 decays by alpha emission: 238 92u→42he+?
we can write the
nuclear decay equation and balance it to identify the missing nuclide
23892U→42He+?
The MISSING NUCLIDE MOST HAVE A CHARGE OF 90
and mass of 234, because and mass must be balanced o both sides
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