Which of the following isotopes would you expect to be stable?
\({ }^{40} \mathrm{Ca}\)
\({ }^{234} \mathrm{~Pa}\)
uranium-235
\({ }^{58} \mathrm{Ni}\)
oxygen-16
Answer:-
40Ca
58Ni
Oxygen-16
The above three isotopes are stable because these all have stable nuclei ans do not emit radiation.
Because these isotopes have the ratio of the neotron/atomic number nearly to one.
Which of the following isotopes would you expect to be stable?^40 Ca^234 Pa uranium-235 oxygen-16
Which of the following isotopes would you expect to be stable? uranium-238 ^58Ni ^4He oxygen-16 ^208Po
Which of the following isotopes would you expect to be stable?
Are oxygen 16 and oxygen 18 isotopes stable or unstable (as relates to how they are evaluated for determining whether extinct whales likely inhabited freshwater or saltwater)? Which economic thinker, who specifically influenced Darwin, proposed how populations were limited by a finite supply of available resources? Which event occurred first? The Great Oxygenation Event, the first fully terrestrial (land) animal (millipede-like), or the mass extinction of dinosaurs.
For each of the following pairs of isotopes, which one would you expect to be radioactive?
QUESTION 16 For compounds of similar molecular weight, which of the following would you expect to have the highest boiling point? O An alkane O An ether O A primary amine The compounds should have approximately the same boiling point. QUESTION 17 Lipoproteins are examples of: O Steroids Eicosanoids O Glycolipids O Complex lipids QUESTION 18 All amino acid molecules contain oxygen atoms. True False
Which of the redox equations do you expect to occur spontaneously in the reverse direction? Ca^2+ (aq) + Zn(s) rightarrow Ca(s) + Zn^2+(aq) 2Ag^+ (aq) + Ni(s) rightarrow 2Ag(s) + Ni^2+ (aq) Fe(s) + Mn^2+ (aq) rightarrow Fe^2+ (aq) + Mn(s) 2 Al(s) + 3 Pb^2+ (aq) rightarrow 2 Al^3+ (aq) + 3 Pb (s)
Draw the structures of 11-cis-lycopene and 13-cis-lycopene, which would you expect to be more stable and why?
Which of the following would you expect to have the lowest net production efficiency? Save this response Question 47 Which of the following would you expect to have the lowest net production efficiency? O a. A snake b. A bird CA fish d. A worm
3:04HS 44%. Indicate which alkyl halide you would expect to react more rapidly by mechanism. ca pts. Explain your answer. 2 pts.) S2
Of the five different elements listed below, which of the following would you expect to have the largest 2nd ionization energy? O Ca O Rb O S O Cs O Ba