Answer:
i believe its A but im not sure
its the only one that makes any sense
plz mark brainliest
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Explanation:
The partial pressure is the amount of linguistic compound there is which makes the lagitude of the element 64.663
Answer:
i going to be aniston i would say take a gess
You need to add an attachment or something this doesnt give the needed information
The answer is b. radon-222. The alpha decay means that it will emit an alpha particle when decays. The alpha particle has two protons and two neutrons. So Radium(88) minus two protons will become Radon(86). And the atomic mass will become 226-4=222.