0
Half-lives are different for each nuclide, not just each element, because of complicated theoretical considerations that are really beyond the scope of what we can answer here. Try taking some university courses in nuclear engineering and you might begin to get a glimmer of it.
At its most basic, it has to do with energy levels of nuclei with different numbers of nucleons. Some have lower energy and some have higher. The ones with higher energy are less stable.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What is einsteinium half life?
The most important isotope - Es-253, has a half life of 20,47 days.The longest half life is for the isotope Es-252: 471,7 days.But einsteinium has 19 isotopes and 3 isomers, each with a different half life.
Half life of the element Sodium?
There are several isotopes of Sodium, each with different half lives. The longest lived, Sodium-22, has a half-life of 2.6027 years.If you are interested in a different isotope, ask the question again and be specific about the isotope in the question.
How do scientists use the rate at which radioactive elements decay in rocks?
they measure how long it takes for half of its unstable molecules to turn to more stable atoms, a half life
Which statement is true about half-lives?
A. Different atoms of the same nuclide have different half-lives.B. each radioactive nuclide has its own half-life.C. All radioactive nuclides of an element have the same half-life.D. All radioactive nuclides have the same half-life.
Which element has the lowest half-life?
Bismuth has recently been found to have a no stable isotope and has a half-life of 4.6 x 10^19 years. Also, the simple hydrogen atom (a single proton), is theorized to decay at a rate of 6.6 x 10^33 years. So far all tests to observe a proton decay have failed.
What is the half life of the earth's magnetic field?
Magnetic field doesnot have a half life. Elements have half life.
What is the half life of man made elements?
Half-life refers to nuclear isotopes. Each isotope, whether naturally ocurring or man-made, has a different half-life. You must say which element that is emitting radiationyou are asking about.
What is the half life of a radioistope?
The half-life of every isotope is different. Some elements and isotopes have half-lives in millions of years, while some elements have half-lives measured in milliseconds. You can look up all of the specifics for any element at webelements dot com.
What is the range of half-lives of different radioactive element?
It would be quite difficult to list all radioactive elements and their half lives in this area. Lithium 5 has a half life of about a trillionth of a second. Uranium 238 has a half life of about 4.7 billion years. Since the world is about 4.2 billion years, over half the Uranium 238 is still around. The first element in the Periodic Table, Hydrogen, has a radioactive form, Hydrogen 3. It has a half life of about Twelve and a half years. Helium has a radioactive form, Helium 5. It's half life is a trillionth of a second. Then you get to elements with different radioactive isotopes. You will need to look them up in a handbook. Tin is the element with the most isotopes.
What is radioactivity number?
There is no such thing. There are elements with isotopes that have different atomic weights and these decay [radioactively] into daughter elements which will also have a range of atomic weights. There is also the half-life, which is a measure of the time before half the atoms in a lump of a substance have decayed.
How did home life for the serfs and their lord differ?
Life was different
Do tracer elements have a non-existent half-life?
ye
What is half-life as it relates to a radioactive element?
It really applies to radioactive isotopes, not elements. An element may have different isotopes, some of which are radioactive, some not.The half-life is the time it takes for half of a sample to decay - for the atoms to convert to some other type of atom.
The half-life of an element is important for?
The half-life of an isotope is how long it takes for half of the atoms in a mass to undergo radioactive decay. Say you have 40g of an elements isotope with a half-life of one year. After 1 year, there would be 20g of that isotope left, and 20g of a different isotope/element. After 2 years, there would be 10g, and so on...
What is the Half life of illicit drugs?
it depends on the drug. the cut, and the form in which it is administered. YOU WILL NOT KNOW WHAT THE HALF LIFE IS UNLESS YOU KNOW HOW MUCH YOU HAVE TAKEN. REFER TO HALF LIFE OF MEDICATION IF YOU KNOW THE DOSE TAKEN. HALF LIVES OF DRUGS DIFFER.
How long does it take for half of an unstable atom to decay?
It depends on the element. Different elements and isotopes of elements have differing half lives. You need to specify which one you are referring to.
What is the definition of half -life?
All elements have a certain "life-span," until they degrade into either sub-atomic particles, or react with something else. Half-Life is literally the half-point in their life-span.
