- #1
Sorthal
- 8
- 0
With all news of element 117 being a step closer to the Island of stab
In summary, the conversation discusses the concept of an "island of stability" for superheavy elements, denoted by different colors on a graph. These elements are more stable closer to a line, and the stability decreases as one moves away from the center. The conversation also mentions the difficulty of synthesizing these elements and the claims for element 118, which have not been fully verified.
- #2
Sorthal
- 8
- 0
How does this island work?
- #3
ChrisVer
Gold Member
- 3,378
- 464
what's the meaning of the question?
By different colors you denote different stabilities...
So you see regions closer to a line are more stable than the ones around them, and that stability falls as you go from the inside to the outside...
So illustratively (I liked this one) you get something like an island (deeper in the land you are more stable, and as you move outside you "drop" closer to the sea/depths)
By different colors you denote different stabilities...
So you see regions closer to a line are more stable than the ones around them, and that stability falls as you go from the inside to the outside...
So illustratively (I liked this one) you get something like an island (deeper in the land you are more stable, and as you move outside you "drop" closer to the sea/depths)
- #4
klasse35
- 6
- 0
Sorthal,
thankyou for sharing this illustrative chart.
that's a very nice graph of the upper end of the table of Elements and Isotopes.
I suppose, there is also somewhere the lower end to be found ?
As Nr. 117 is already more or less in the middle of that little island of semistables,
there are obviously more buns in the avon ?
thankyou for sharing this illustrative chart.
that's a very nice graph of the upper end of the table of Elements and Isotopes.
I suppose, there is also somewhere the lower end to be found ?
As Nr. 117 is already more or less in the middle of that little island of semistables,
there are obviously more buns in the avon ?
- #5
mfb
Mentor
- 37,125
- 13,967
A large part of this graph is purely theoretical, as the isotopes have not been synthesized yet.
While the proton number might be right for the island, it is unclear if there are enough neutrons to reach it. The produced isotopes have lifetimes of milliseconds - well in agreement with the isotopes of lighter elements nearby, so no sign of an island has been found yet.
Wikipedia article with more details.
While the proton number might be right for the island, it is unclear if there are enough neutrons to reach it. The produced isotopes have lifetimes of milliseconds - well in agreement with the isotopes of lighter elements nearby, so no sign of an island has been found yet.
Wikipedia article with more details.
- #6
Astronuc
Staff Emeritus
Science Advisor
2023 Award
- 21,910
- 6,335
The superheavy elements do not appear to be as stable as hoped.
http://www.ornl.gov/ornl/news/features/2014/new-sighting-of-superheavy-element-117
http://www.ornl.gov/science-discovery/nuclear-science/research-areas/isotopes/super-heavy-element-discovery
http://www.scientificamerican.com/article/superheavy-element-117-island-of-stability/
There are claims for Element 118 (ununoctium, Uuo):
http://www.webelements.com/ununoctium/
The yield is so small, the it is virtually impossible at this point to verify the existence of 118. An announcement during 1999 of 118 was later retracted.
http://enews.lbl.gov/Science-Articles/Archive/118-retraction.html
http://www.ornl.gov/ornl/news/features/2014/new-sighting-of-superheavy-element-117
http://www.ornl.gov/science-discovery/nuclear-science/research-areas/isotopes/super-heavy-element-discovery
http://www.scientificamerican.com/article/superheavy-element-117-island-of-stability/
There are claims for Element 118 (ununoctium, Uuo):
http://www.webelements.com/ununoctium/
The yield is so small, the it is virtually impossible at this point to verify the existence of 118. An announcement during 1999 of 118 was later retracted.
http://enews.lbl.gov/Science-Articles/Archive/118-retraction.html
Last edited by a moderator:
- #7
klasse35
- 6
- 0
Thanks I’ll look it up n return later.
1. What is element 117 and why is it significant?
Element 117 is a superheavy synthetic element with the atomic number 117. It is significant because it is part of the periodic table of elements and is one step closer to completing the seventh row of the table.
2. Why is it called the "Island of stability"?
The "Island of stability" is a theoretical region in the periodic table where superheavy elements with longer half-lives are predicted to exist. Element 117 is considered a part of this island because it has a longer half-life compared to other superheavy elements.
3. How was element 117 discovered?
Element 117 was first discovered in 2010 by a team of scientists at the Joint Institute for Nuclear Research in Russia and the Lawrence Livermore National Laboratory in the United States. It was created by bombarding atoms of calcium-48 with atoms of berkelium-249.
4. What are the potential applications of element 117?
Currently, there are no known practical applications for element 117. However, it is an important step towards understanding the properties and behavior of superheavy elements, which could lead to advancements in nuclear physics and chemistry.
5. Will element 117 be officially added to the periodic table?
Yes, element 117 is expected to be officially added to the periodic table in the near future. It will likely be given a new name and symbol, following the tradition of naming newly discovered elements after a scientist or a place.
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