Which of the Following Isotopes Has the Longest Half Life

A radioactive isotope has a half-life of 3 days was received after 12 days. A radioactive isotope has a half-life of 3 days was received after 12 days.

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View solution Among the isotopes of all elements.

. The old KAPL Chart of the Nucleides on the wall gives H7 at 9E-22 H6 at 3E-22 H4 at 14E-22 and H5 as very short. Which of the following radioactive isotopes has the shortest half life. Carbon-14 has a half life of approximately 5800 years uranium-238 has a half-life of 45 billion years potassium-40 has a half-life of 125 billion years and rubidium-87 has a half life of 488 billion years.

The initial weight of the isotope when packed was. Uranium-238 O Carbon-14 O Potassium-40 O Rubidium-87 FEEDBACK Content attribution. ULUULUI ESTION 31 POINT hich of the following radioactive isotopes has the shortest half-life.

The initial weight of the isotope when packed was. Rank these isotopes in a series from shortest to longest half-life. Illadelph Halflife was created on 1996-09-24.

So far Tellurium 128 with a measured half life of 77 x 1024 years but there may well be others after all Bisthmus 209 was thought to be stable until its half life was measured in 2003 as 19 x 1019 years. Argon-40 is the daughter isotope of potassium-40 Carbon-14 is useful for dating materials up to 70000 years old Sedimentary rocks can be dated more easily than igneous rocks. Its half-life of 46 billion years makes it the longest-lived of all isotopes.

Among the following which has the longest half life. Au-198 F-18 I-131 Tc-99m Ga-68. Which of the following isotopes is most useful for dating the bones from a mammal fossil that was found not too far down from the surface.

The half-life of a first-order reaction is a constant that is related to the rate constant for the reaction. Which of the following radioactive isotope has the longest half-life. Which of the following isotopes has the shortest half life.

How long does it take for 50 of U 238 to decay to PB 206. Which of the following radioactive isotopes has the shortest half-life. Potassium-40 is a radioactive isotope that has a half-life of 125 billion years.

The number of protons plus neutrons in an atoms nucleus is the atoms _____. Among the following which has the longest half life. A long half-life means that an isotope is less active and that fewer of tis atomic nuclei disintegrate in any given period.

This is the longest half-life directly measured for any unstable isotope. Only the half-life of tellurium-128 is longer. The daughter isotope of.

It was found that there were 3 g of the isotope in the container. Chemistry questions and answers. Which of the following radioactive isotopes has the longest half-life.

Which of the following radioactive isotopes has the longest half-life. This measurement of 77 x 10 24 years for Tellurium-128 is the longest half-life ever determined experimentally and constrains the electron neutrino mass to a few eV. Measurement of the double beta half-life of Tellurium-130 and Tellurium-128 from xenon isotopes in old native Te.

Of the chemical elements only one element tin has 10 such stable isotopes five have seven isotopes eight have six isotopes ten have five isotopes nine have four isotopes five have three stable isotopes 16 have two. Elect the correct answer below. A Positrons b Electrons c Neutrons d Photons reset.

20 rows This is a list of radioactive nuclides sometimes also called isotopes ordered by half-life. The half-life of a reaction is the time required for the reactant concentration to decrease to one-half its initial value. How old is a sample with 50 potassium-40 50 argon-40.

Which of the following isotopes is most useful for dating very young wood and charcoal. Identify the half-lives of the following radioactive isotopes. The expected life span of a star the size of the.

Uranium 238 decays to which of the following daughter isotopes. Therefore rubidium-87 has the longest half-life. What is the half-life t1 2 of this isotope.

A Fluorine-18 b Carbon-11 c Tritium d Carbon-14 Question 10 What is detected during positron emission tomography PET. About 45 billion years. Answer 1 of 11.

I think it is hyrdrogen-7 which is 4n decay half life is 21x10-23 seconds. This is about Tellurium. Which of the following radioactive isotopes has the longest half life.

It was found that there were 3 g of the isotope in the container. I finally found the element with longest half life as stated in my element book Uranium is the last and heaviest of the natural elements 203. The time required for one-half of the nuclei in a radioactive isotope to decay is called the _____.

The longest lived isotope plutonium-244 has a half life of 80800000 years. You need to give a source for your claim which clearly states that the hydrogen-7 isotope has the shortest half life. Nvm problm solved.

When was Illadelph Halflife created. Which of the following radioactive isotopes has the longest half-life.

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