Definition: energy from nuclear fission or fusion: the energy released by nuclear fission or fusion
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Term1/20
What is radioactive dating
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Definition1/20
Radioactive dating is a technique used to find how old an object is.
One such example is potassium-argon dating, where potassium decays into argon. The proportion of potassium to argon suggests how old the object in question is.
An equation used is t = (1/c)Ln(1+(D/P)) Where c is the decay constant D is number of daughter atoms (number decayed) P is the number of parent atoms (number undecayed) t is the age of the object.
Another common technique in dating an object is carbon dating. Because the amount of carbon-14 has remained roughly constant through time on the earth it is possible to calculate the age of an object by finding the proportion of carbon-14 to carbon-12.
There is a suspicion that the relative abundance of carbon-14 could be changing due to the thinning of the ozone layer. The amount of carbon-14 depends on the amount of radiation permeates the ozone and thus the amount could be changing. Not proven, only a hypothesis. Accuracy radioactive dating is called radiometric dating. This is taught in biology.
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Term1/20
What is the total kinetic energy of the atoms and molecules in an object called
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Definition1/20
Temperature is the measure of average kinetic energy of all the
atoms and molecules in an object
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Term1/20
What describes a radioisotope
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Definition1/20
An isotope of an element that is radioactive
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Term1/20
What is the biggest problem with radioactive waste
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Definition1/20
It has a very long half-life. Disposal of radioactive waste is
the biggest problem. Proper disposal is essential to ensure
protection of the health and safety of the public and quality of
the environment including air, soil, and water supplies.
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Term1/20
What must happen for a nucleus to be stable
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Definition1/20
The strong nuclear force must balance electrostatic forces in
the nucleus
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Term1/20
What does it mean for an element to undergo transmutation
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Definition1/20
an element becomes a totally different element..
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Term1/20
What information is obtained from radioactive dating
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Definition1/20
The age of an object that was once living.
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Term1/20
What does binding energy measure
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Definition1/20
The energy used to hold the nucleus together
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Term1/20
Which issue associated with nuclear power is the biggest source of debate
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Definition1/20
The biggest issue associated with nuclear power is determining
what can be done with the radioactive waste.
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Term1/20
What is the half life of a radioisotope if a 20 g sample becomes 10 g after 16 hours
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Definition1/20
The half-life is 16 hours.
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Term1/20
What represents a alpha particle
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Definition1/20
4/2He
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Term1/20
During an earthquake the cooling system of a nuclear reaction can be compromised increasing the threat of what
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Definition1/20
a meltdown
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Term1/20
What would result in a transmutation
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Definition1/20
An alpha particle being emitted would result in a
transmutation.
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Term1/20
What is the best definition of radioactive decay
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Definition1/20
Radioactive decay is the spontaneous breakdown of a nucleus into
smaller parts.
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Term1/20
In a nuclear fission reaction a freely moving neutron is introduced to nuclear fuel such as uranium 235 what happens next
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Definition1/20
A neutron is absorbed by an atoms nucleus
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Term1/20
How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt
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Definition1/20
1kj x 1/H fusion x g/mol solid
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Term1/20
How much energy is released is a sample loses 0.05 kg mass through radioactive decay
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Definition1/20
4.5 × 1015 J
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Term1/20
What is the c-14 c-12 ratio used to date once living organisms
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Definition1/20
the ratio is 1.3 x 10^(-12)
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Term1/20
What is a gluon
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Definition1/20
A particle that binds quarks to one another. (Apex)
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Outline on nuclear energy
Definition: energy from nuclear fission or fusion: the energy released by nuclear fission or fusion
What is radioactive dating
Radioactive dating is a technique used to find how old an object is.
One such example is potassium-argon dating, where potassium decays into argon. The proportion of potassium to argon suggests how old the object in question is.
An equation used is t = (1/c)Ln(1+(D/P)) Where c is the decay constant D is number of daughter atoms (number decayed) P is the number of parent atoms (number undecayed) t is the age of the object.
Another common technique in dating an object is carbon dating. Because the amount of carbon-14 has remained roughly constant through time on the earth it is possible to calculate the age of an object by finding the proportion of carbon-14 to carbon-12.
There is a suspicion that the relative abundance of carbon-14 could be changing due to the thinning of the ozone layer. The amount of carbon-14 depends on the amount of radiation permeates the ozone and thus the amount could be changing. Not proven, only a hypothesis. Accuracy radioactive dating is called radiometric dating. This is taught in biology.
What is the total kinetic energy of the atoms and molecules in an object called
Temperature is the measure of average kinetic energy of all the
atoms and molecules in an object
What describes a radioisotope
An isotope of an element that is radioactive
What is the biggest problem with radioactive waste
It has a very long half-life. Disposal of radioactive waste is
the biggest problem. Proper disposal is essential to ensure
protection of the health and safety of the public and quality of
the environment including air, soil, and water supplies.
What must happen for a nucleus to be stable
The strong nuclear force must balance electrostatic forces in
the nucleus
What does it mean for an element to undergo transmutation
an element becomes a totally different element..
What information is obtained from radioactive dating
The age of an object that was once living.
What does binding energy measure
The energy used to hold the nucleus together
Which issue associated with nuclear power is the biggest source of debate
The biggest issue associated with nuclear power is determining
what can be done with the radioactive waste.
What is the half life of a radioisotope if a 20 g sample becomes 10 g after 16 hours
The half-life is 16 hours.
What represents a alpha particle
4/2He
During an earthquake the cooling system of a nuclear reaction can be compromised increasing the threat of what
a meltdown
What would result in a transmutation
An alpha particle being emitted would result in a
transmutation.
What is the best definition of radioactive decay
Radioactive decay is the spontaneous breakdown of a nucleus into
smaller parts.
In a nuclear fission reaction a freely moving neutron is introduced to nuclear fuel such as uranium 235 what happens next
A neutron is absorbed by an atoms nucleus
How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt
1kj x 1/H fusion x g/mol solid
How much energy is released is a sample loses 0.05 kg mass through radioactive decay
4.5 × 1015 J
What is the c-14 c-12 ratio used to date once living organisms
the ratio is 1.3 x 10^(-12)
What is a gluon
A particle that binds quarks to one another. (Apex)