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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determine what type of decay occurs when thorium-231 undergoes radioactive decay to form protactinium-231.
23190Th→ 231 91Pa + ?
since the atomic number increasesby one while the mass number remain
unchanged, the above decay is beta decay, and new equation is as follows
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