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Which alkali metal element has no stable isotopes?

Elements with no stable isotopes include technetium (element 43) and promethium (element 61) and all elements heavier than lead (elements 83 and higher). Bismuth, element 83, is virtually stable with an extremely long half life of 1.9 x 1019 years.


Find one element on the chart that has no stable isotopes?

Technetium, Promethium, and all elements heavier then Bismuth.


Do synthetic elements and transition elements produced isotopes?

Yes, synthetic elements and transition elements can produce isotopes. Synthetic elements, which are typically created in laboratories through nuclear reactions, often have unstable isotopes that decay over time. Transition elements, while many are stable, also have isotopes that can be either stable or radioactive, depending on the element and its nuclear configuration. The variety of isotopes in both categories can have applications in fields such as medicine, industry, and research.


In unstable isotopes is called what?

Unstable isotopes are called radioisotopes or radioactive isotopes. They undergo radioactive decay, transforming into more stable forms by emitting radiation in the form of alpha particles, beta particles, or gamma rays. This process continues until they reach a stable state, often resulting in the formation of different elements.


Why cant you add the average masses of each of the isotopes and divide to get overall average of the atoms?

Because the isotopes do not appear in equal amounts. This is hardly surprising since many isotopes experience radioactive decay and change to other elements after decay while stable isotopes persist - thus stable isotopes will usually dominate as the most common isotopes for individual elements with those with the longest half-lifes being more common than those with shorter half-lifes. Of course when you get into the heaviest elements there don't seem to be any stable isotopes so those with longest half life dominate.

Related Questions

What is stable isotropes?

Stable isotopes of elements are called stable because they do not radioactively decay.


What is the slow breakdown of radioactive substances into more stable elements?

Radioactive elements break down in to stable isotopes through nuclear decay. The list of isotopes from a nuclear isotope to a stable isotope is called its decay chain.


Are iron elements stable?

Iron is an element, and there is only one element called iron (Fe). There are no iron element(s), but if you mean isotopes, then some iron isotopes are stable, and some aren't. No known element is stable in of it's isotopes.


All isotopes of this element are radioactive?

Radioactive Elements (38) These elements are radioactive. They either have no stable naturally occurring isotope, or else are entirely artificial (all artificial elements have no stable isotopes). by Andrew Moore


Does argon have isotopes?

yes, all elements have isotopes. some stable, some radioactive.


Does every element has two stable isotopes?

No, Gold and several other elements have only one stable isotope, Promethium & Technetium as well as all elements heavier than Bismuth have no stable isotopes.


Which alkali metal element has no stable isotopes?

Elements with no stable isotopes include technetium (element 43) and promethium (element 61) and all elements heavier than lead (elements 83 and higher). Bismuth, element 83, is virtually stable with an extremely long half life of 1.9 x 1019 years.


Find one element on the chart that has no stable isotopes?

Technetium, Promethium, and all elements heavier then Bismuth.


Do synthetic elements and transition elements produced isotopes?

Yes, synthetic elements and transition elements can produce isotopes. Synthetic elements, which are typically created in laboratories through nuclear reactions, often have unstable isotopes that decay over time. Transition elements, while many are stable, also have isotopes that can be either stable or radioactive, depending on the element and its nuclear configuration. The variety of isotopes in both categories can have applications in fields such as medicine, industry, and research.


In unstable isotopes is called what?

Unstable isotopes are called radioisotopes or radioactive isotopes. They undergo radioactive decay, transforming into more stable forms by emitting radiation in the form of alpha particles, beta particles, or gamma rays. This process continues until they reach a stable state, often resulting in the formation of different elements.


What are the stable elements of periodic table?

First, it should be noted that it is not an element that is stable or unstable, but an isotope. If you don't know the difference, please read the Wikipedia article, or some other source, about "isotopes", Most of the elements up to #82 (Pb) have stable isotopes, with the exception of #43 (Tc) and #61 (Pm). Please note that all of these "stable elements" also have unstable isotopes!


Do lanthinides contain radioactive elements?

Yes, promethium, which is a lanthanide, has no stable isotopes.