Chemistry, 08.01.2020 20:31 oofoofoof1
An atom of radon gas emits an alpha particle as shown below. radon-222 has 86 protons and 136 neutrons. what daughter product will form from this decay? francium-222 (87 protons) polonium-218 (84 protons) radium-226 (88 protons) lead-220 (82 protons)
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A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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An atom of radon gas emits an alpha particle as shown below. radon-222 has 86 protons and 136 neutro...
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