Chemistry

In which blocks of the periodic table are the transition series and inner transition series elements found?

Started by leilurhhh

201Tl is used in myocardial perfusion imaging. It undergoes beta decay with a half-life of 73 hours ...

Started by azncindy619

Human bones found on the west coast of the United States were thought to be remains of a prospector ...

Started by deesands

Units used for measuring radiation include the becquerel, the curie, the gray, and the sievert, ...

Started by tfester

In the transmutation reaction that results in the formation of berkelium-243, shown below, the ...

Started by Evvie72

What is needed to balance the nuclear fission reaction below? n + U Te + ? + 2 n

Started by moongchi

Energy is ________ (released, required) in the transmutation reaction shown below. The atomic masses ...

Started by bobbie

The mass change for the reaction shown below is ________ amu. The atomic masses are 3He (3.0160), ...

Started by jessicacav

The binding energy for lithium-7 nuclei is 3.79 1012 J/mol. The binding energy per nucleon for ...

Started by bobypop

Helium-3, an electron, a neutron, and a proton have masses of 3.016029 amu, 5.486 10-4 amu, 1.00866 ...

Started by 123654777

The loss in mass that occurs when protons and neutrons combine to form a nucleus is called the ...

Started by SO00

Nuclei that are in the band of stability have a neutron/proton ratio ________ (equal to, greater ...

Started by Cooldude101

U undergoes alpha decay producing one alpha particle and a single nuclide. To balance the equation ...

Started by nautica902

In a nuclear reaction, the symbol for a beta particle is ________.

Started by D2AR0N

The number of protons, neutrons, and total nucleons in Ru are ________, ________, and ________, respectively.

Started by EAugust

Which type of radiation source would pose the greatest health risk when used internally for a ...

Started by CBme

What type of shielding can be used to protect against gamma rays?

Started by swpotter12

What is the abbreviation used for the curie, a unit used in the measurement of nuclear ...

Started by Capo

The nuclear transmutation reaction that leads to the synthesis of plutonium-241 is shown below. What ...

Started by justinmsk

What mass percent of 235U (the fissionable isotope) is used in the fuel in nuclear power plants?

Started by joesmith1212

What is the binding energy (kJ/mol) for an element that has a mass defect of 3.33 10-26 g? Remember ...

Started by audie

Which of the following isotopes is the most stable?

Started by ereecah

What percentage of a radioactive substance remains after 6.00 half-lives have elapsed?

Started by joe

When Rn decays in a 5-step series the product is Pb. How many alpha and beta particles are emitted ...

Started by bucstennis@aim.com

Which of the following nuclides is most likely to decay by electron capture?

Started by shenderson6