nuclear chem

redox

what is not nuclear decay

alpha particles

which of the emissions has the greatest mass

beta particles

nuclear emissions are passed through a tunnel that has a positive plate on top and a negative plate on the bottom, which of the follwong emissions is delfeclcted the greatest by the electiecal feild

alpha particles

which of the following would have the least penetrating power into matter

beta rays

which of the following are made up of parts identical to electrons

gamma

an individual would have to work from behind a special thick protective wall when working with what emitter

1^0n

59²7 Co + ___ = 60²7 Co

beta

which of the following types of radiation is composed of particles which carry a negative charge

a beta particle

the decay of 214^82 Pb to 214^83Bi occur through the emission of

Pa

93²37 Np is an alpha emitter which is the element produced by the decay of Np-237

1.00 g

trititum has a half life of 12.5 years, if you had a sample of 8 g of the element how many grams of tititurm would you have after 37.5 years

neutrons

which form of radiation would not be deflected by a magnetic feild

in the nucleus of the atom

in nuclear reactions the principle change occurs

all of these will sufficient exposure

which of the following emissions cause radiation sickness

both a neutron and proton

in nuclear chemistry, a nucleon is

fly apart

without the strong nuclear force, the nuclei of atoms would

the mass number

what does the 4 in 4^he represent

e=mc²

relationship between mass and energy

most stable

elements with the greatest nuclear binding energies per nuclear particle are the

1.0

among atoms with low atomic numbers, what is the neutron proton ratio of the most stable nuceli

even

the number of each type of nucleon in a stable nucleus is commonly

these numbers represent the number of neutrons in stable nuclides

why are 2,8,20,28,50,82 considered magic numbers in a nuclide

alpha beta gamma

which of the following lists ranks nuclear radiation for most massive to least massive

positron

which of the following particles has the same mass as an electron but a positive charge and is sometimes emitted from the nucleus during radioactive decay

D

Reaction in the figure shown is an example of a fission reaction

curium-246 combining with carbon-12 to form nobelium-254

of the following reactions, which is a fusion reaction

undergo radioactive decay

The half life of an isotope is the time required for half the nuclei in a sample of the isotope to

2

How many half lives are required for three-fourths of the nuclei of an isotope in a sample to decay

1.5

What is the half life of an isotope if 125g of a 500g sample of the isotope remains after 3.0 years

4^He ²

226^88Ra~230^90Rn+

Flavors

The 6 varieties of quarks are called what

+2/3

an up quark has what charge?

-1/3

a down quark has what charge?

4^He²

alpha particle

0 -1 B

Beta Particle

0 +1 B

positron

y

gamma ray

1n0

neutron

three inches of lead

which of the following materials is necessary to stop a beta particle