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?
what is the effect on the mass number and charge of a nucleus when it loses an alpha particle?
when an atom
loses or emit an alpha particle, the mass reduces by 4 amu while the nuclear
charge reduces by 2 charge, because an an alpha particle is helium nuclear with
nucleon and +2e nuclear charge.
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