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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what is the identity of an alpha particle
what is the identity of an alpha
particle
42He
It is a helium nuclei ,with atomic number of 2
and mass number of 4. and nuclear charge of +2
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