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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when radium-226 (atomic number-88) decays by emitting an alpha particle it becomes _____.
when
radium decays by emitting an alpha particles , the daughter product is
radon-222, and the decay equation is as follows
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