Chemistry, 04.09.2020 17:01 bertha4082
Problem #1 : Radioisotopes are used for a variety of medical purposes including as cancer treatments. Attaching an alpha emitter to an antibody allows for a targeted therapy which can be less damaging to healthy tissue than some other cancer treatments. One such alpha emitter is Astatine 211 (211At) which undergoes LaTeX: \alpha α decay (hence the name, alpha emitter).
1.) What isotope is created by the LaTeX: \alpha α decay of 211At? 2.) How many p+, n0, and e- does it have?
Problem #2 : The grand dream of the protoscience called Alchemy was the transmutation of Lead (Pb) into Gold (Au). Thousands of years later, surely we can do better... after all, Platinum (Pt) is what everyone wants these days. We'll start with an isotope of lead, 209Pb which undergoes LaTeX: \beta β - decay. In reality, that is the end of our tale. However, this is a thought exercise and we can do what we want. Using the different types of radioactive decay described above, but still starting with LaTeX: \beta β - decay, how could we get 209Pb to Pt?
1.) What isotope is created by the LaTeX: \beta β - decay of 209Pb?
2.) Come up with a sequence of radioactive decay steps that would then lead to an isotope of Pt.
3.) What isotope of Pt did you create? How many p+, n0, and e- does it have?
Answers: 3
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
Chemistry, 22.06.2019 11:40
Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both
Answers: 2
Problem #1 : Radioisotopes are used for a variety of medical purposes including as cancer treatments...
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