2524261
Descrição
Quiz por Bradley Logan, atualizado more than 1 year ago
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Criado por Bradley Logan
mais de 9 anos atrás
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Questão 1
Questão
Isotopes are different forms of the same element.
Responda
- True
- False
Questão 2
Questão
What is the difference between isotopes?
Responda
-
Isotopes have a different number of protons and a different number of neutrons.
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Isotopes have a different number of neutrons and the same number of protons.
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Isotopes have a different number of protons and the same number of neutrons.
Questão 3
Questão
Alpha radiation particles have ________ and ________
Responda
-
Two neutrons.
-
Two protons.
-
One neutron
-
Three protons
-
Two electrons
Questão 4
Questão
What properties are typical of a Beta particle?
Responda
-
They have a charge of -1.
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They are large.
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They move fast.
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They move slowly.
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They are small.
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They have a charge of 0.
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They are in simple terms, a neutron.
Questão 5
Questão
Gamma rays are long wavelength electromagnetic waves.
Responda
- True
- False
Questão 6
Questão
Nuclear fusion is the process carried out in nuclear power stations to generate energy.
Responda
- True
- False
Questão 7
Questão
Which process releases more energy, Fission or Fusion?
Responda
-
Fission.
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Fusion.
Questão 8
Questão
Nuclear fusion is done in stars such as the sun.
Responda
- True
- False
Questão 9
Questão
What happens in the process of nuclear fission?
Responda
-
A chain reaction takes place.
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Nuclei are split up.
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Nuclei are joined together.
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The energy released is used to heat water, to create steam for generators.
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The energy released is used to turn the turbines in wind turbines.
Questão 10
Questão
What stage of it's life is our sun at?
Responda
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Red giant.
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Black hole.
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Protostar
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Main sequence star
Questão 11
Questão
What elements are used in the energy process in stars at our sun's stage?
Responda
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Helium.
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Uranium-235.
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Plutonium-239.
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Hydrogen.
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Iron.
Questão 12
Questão
What happens after the red giant stage of a star's life?
Responda
-
A supernova takes place as the star explodes.
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A neutron star is created.
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A black hole is created.
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A white dwarf is created.
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A black dwarf is created.
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A planetary nebula is ejected around the star system, from the outer layer of the star.
Questão 13
Questão
Half life is the average time it takes for the number of nuclei in an isotope to halve.
Responda
- True
- False
Questão 14
Questão
What is radiation used for in medical practises?
Responda
-
Abortion of babies.
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Sterilising instruments.
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Tracers, followed by an external detector.
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Radiotherapy, the killing of cancerous cells.
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The sterilisation of the mouth in extreme dental cases.
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