Polonium-218 undergoes beta decay, converting a neutron into a proton. Then the daughter isotope undergoes another beta decay, again converting a neutron into a proton. Which equation correctly describes this process? Use the periodic
table link from the tools bar to answer the question.
o 288 Po ~ 288 At +_
233 At = 288 Rn
o 258 Po 238 At +_
285A 208 Rn+ je
o 208 Po → 295 At
288 At → 288 Rn
o 289 Po+fe 208 At +_e
208 At → 208 Rn+_

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

it can be observed without changing the identity of the object.

it depends on what substance you're talking about as well as many other factors. in quantum mechanics, the observation of particles affects the observers ability to measure certain properties. for example: you can know the velocity of a particle, but you can't know it's position; or you can know it's position, but not it's velocity. it's like trying to find out where a grain of sand is by throwing other grains of sand at it. once you find out where it is, it's been moved. it's also like trying to find an answer to the question of whether or not a tree falling in a forest makes a sound if nobody is there to hear it. paradoxically, the only way to find out is to be there and hear it.