Nuclear Reaction flashcards

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what was Ernest Rutherfold results in the gold foil experiment on the alpha particles? He observed that alpha particles were undeflected and passed through the gold foil
what was Ernest Rutherfold conclusion? the positive nucleus is very small compared to the size of the atom. So the atom is mostly empty space, so most of the alpha (α) particles were able to pass straight through the gold foil.
What is radioactive activity? it is the number of nuclei of that substance decaying per second
what are the four types of ionizing radiation? Alpha, Beta, Gamma and X-ray
_________ has the smallest rest energy an electron
The mass of an electron is ______ than that of a proton less than of a proton
Volumes of atomic nuclei are proportional to the _______ mass number
what is the binding energy of a nucleus? it is the energy that must be supplied to separate the nucleus into its constituent nucleons
How can you tell if materials have used nuclear fuel? The presence of fission products and the presence of trnauranic isotopes
The two emissions are ______ and ______ line and continuous spectra
Continuous spectrum is produced by ______ an incandescent solid or liquid
Line spectrum is produced by ______ it is produced by atoms when the atoms of a gas has enough energy to give out colored light
what is alpha radiation? It is the fast moving helium nuclei ejected from the nuclei of radioactive atoms
what is beta radiation? it is the high speed electrons ejected from the nuclei of radiation atoms
what is gamma radiation? it is the high frequency electromagnetic radiation emitted from the nucleus of a radioactive atom

what was Ernest Rutherfold results in the gold foil experiment on the alpha particles?

what was Ernest Rutherfold conclusion?

What is radioactive activity?

what are the four types of ionizing radiation?

_________ has the smallest rest energy

The mass of an electron is ______ than that of a proton

Volumes of atomic nuclei are proportional to the _______

what is the binding energy of a nucleus?

How can you tell if materials have used nuclear fuel?

The two emissions are ______ and ______

Continuous spectrum is produced by ______

Line spectrum is produced by ______

what is alpha radiation?

what is beta radiation?

what is gamma radiation?

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