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What is the neutron absorption cross section of an atom?
The neutron absorption cross section of an atom is the size of the target presented by that atom to an incoming neutron. Let's look at a couple of things and we'll get to it. Ready? Let's go. There is a funny group of rules associated with the way an atomic nucleus reacts to an incoming neutron. It isn't necessarily like breaking a rack of billiard balls like in so many science shows. It's more like the neutron manages to press up against the nucleus and the nucleus captures it. Then what happens, happens. One of the concepts to be considered is the energy of the incoming neutron. How fast is it going? Faster isn't necessarily better for increasing the probability of capture. It usually isn't. Another factor is the size of the target that a given nucleus presents to that neutron. We call that a neutron absorption cross section, and it's measured in barns. (Yes, like the broad side of a barn, as in hitting the broad side of a barn. And who said physicists weren't funny and couldn't make jokes!) There are tables to look this stuff up on because each given isotope of each given element has a given neutron capture cross section. That makes things challenging. And the actual cross section is different for different energies of neutrons. That ups the challenge for investigators even more.
Which has the least amount of mass a molecule an atom an electron a neutron a proton?
The mass of an electron is the least among the options given here.
Who is given credit for today's current arrangement of the elements?
Patricia Nemeth
What is the name of jimmy neutron's mom?
Judy neutron
What is atomic mass A and neutron number N for given atom?
Atomic mass is the number of protons and neutrons that make up an atom. The neutron number is only the number of neutrons present in the atom. This can be found by subtracting the number of protons from the atomic mass.
What did James chadwickdiscover?
James chadwick was a scientist who made many contributions to the atom and he worked on various radioactivity problems. Sir James Chadwick has been given the credit for discovering the neutron.
What happens to a neutron star that gives it the name pulsar?
the name pulsar is given to a neutron star that rotates
Who is given credit for finding Florida?
who was given credit for finding the state Florida
Who was given credit for building the steamboat?
Robert Fulton was given credit for the creation of the steamboat.
What was Louis Pasteur given credit for?
louis pasteur was given credit for chicken cholera
What city is given credit for the birth of hip hop dance?
New york was given credit.
What is the probability that Beta minus decay will occur on a given neutron in a given second?
The probability is very close to zero.
Why do think paulrevere was the given credit?
why do you think paul revere was the given credit for his famous ride when he was captured
Who was given credit for leading the first Chicano youth conference in 1968?
Rodolfo Gonzales was given credit.
Who was given credit for finding Pennsylvania?
who credit for find pa
Which of the czars is given the credit of uniting the salvic territories?
Peter the great is given credit for uniting the Slavic territories,
What is the difference between margin trading and credit given by stock brokers?
Credit given by stockbrokers IS margin trading.
