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Daren Crona

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Q: Are more stable nuclei that have an even number of nucleons or nuclei that have an odd number of nucleons?
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Which are more stable nuclei that have an even number of nucleons or nuclei that have an odd number of nucleons?

even


Which are more stable nuclei that have an even number of nucleons or those that have an odd number of nucleons?

even


Why is a larger nucleus not as stable as a smaller nucleus?

A larger nucleus has a higher number of protons, which results in stronger repulsive forces between the positively charged protons. This can lead to instability as the repulsive forces can overcome the attractive nuclear force, causing the nucleus to be less stable and more likely to undergo radioactive decay.


What is a pairing energy?

A pairing energy is the extra binding energy associated with pairs of nucleons of the same kind - which results in nuclei which have odd numbers of protons or neutrons having a lower binding energy and being less stable than those with even numbers.


How does binding energy per nucleon effect the stability of a nucleus?

The binding energy per nucleon is a measure of how tightly a nucleus is held together. Nuclei with higher binding energy per nucleon are more stable as they require more energy to break apart. Therefore, nuclei with a higher binding energy per nucleon are more stable and tend to resist undergoing nuclear reactions.


Is an even number of protons stable?

By an even number.


What nuclei would be the most stable?

10 protons, 12 neutrons


Which atoms are least likely to be radioactive?

Atoms with stable nuclei are least likely to be radioactive. Typically, atoms with an even number of protons and neutrons are more stable and less likely to undergo radioactive decay. This includes elements such as carbon-12, oxygen-16, and nitrogen-14.


Do isobars have the same atomic mass?

It depends on how picky you want to be. Yes, having the same number of nucleons they have practically the same atomic mass. No, because they don't have exactly the same atomic mass due to differences in the nuclear binding energy (and hence aren't truly "isobars", even though that's what they're called). (NB: this usage of "isobar" is from nuclear chemistry and means "nuclei with the same number of nucleons." It's not the meteorological isobar, which is something quite different and wouldn't make any sense in the context of the question.)


Why do stable xenon fluorides have an even number of F atoms?

Stable xenon fluorides have an even number of fluorine atoms because xenon is in the +2 oxidation state when it forms these compounds. This means it can accept a maximum of 8 valence electrons from fluorine atoms to complete its valence shell, leading to the formation of compounds with an even number of fluorine atoms.


Why is bismuth-209 stable?

Bismuth-209 is stable because it has an odd number of protons and an even number of neutrons, making it less susceptible to radioactive decay. Additionally, bismuth-209 is the heaviest stable isotope of bismuth, which further contributes to its stability.


Which elements have valence electrons?

all of them - even Inert Gases - they just dont react because they have a stable number of them.