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Environmental Chemistry > Radiation > Flashcards

Radiation Flashcards

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1
Q

alpha particles

A

stripped helium nuclei, reduce the atomic mass by 4

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2
Q

stripped helium nuclei, reduce the atomic mass by 4

A

alpha particles

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3
Q

Beta particles

A

loose electron, causes the atomic charge (number) to go up by one.

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4
Q

loose electron, causes the atomic charge (number) to go up by one.

A

Beta particles

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5
Q

gama rays

A

high enery photons, do not change the nucleus they are released from

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6
Q

high enery photons, do not change the nucleus they are released from

A

gama rays

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7
Q

Bequrerel

A

rate of disentegrations (1/s)

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8
Q

rate of disentegrations (1/s)

A

Bequrerel

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9
Q

bequrels to curies

A

1Ci=3.7*10^10 Bq

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10
Q

1Ci=3.7*10^10 Bq

A

bequrels to curies

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11
Q

Rad

A

the amount of radiation required to impart 0.01 J of energy into 1 Kg of flesh, varries depending on the radiation type.

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12
Q

the amount of radiation required to impart 0.01 J of energy into 1 Kg of flesh, varries depending on the radiation type.

A

Rad

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13
Q

rem (retongen equivilant man)

A

similar to Rad’s but adjusted to take different radiation types into account

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14
Q

similar to Rad’s but adjusted to take different radiation types into account

A

rem (retongen equivilant man)

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15
Q

1 Seivert

A

100 rem

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16
Q

100 rem

A

1 seivert

17
Q

composituion of fuel rods

A

alternating U235 (the fissable isotope) and zirconium disks

18
Q

alternating U235 (the fissable isotope) and zirconium disks

A

composituion of fuel rods

19
Q

controll rods

A

rods of cadmium that capture neutrons before they can react with more uranium

20
Q

rods of cadmium that capture neutrons before they can react with more uranium

A

controll rods

21
Q

spent fuel rods

A

hundreds of times more radioactive than normal fuel rods, but none of the reactions are useful fission reactions, mostly produce beta particles due to a saturation of neutrons

22
Q

hundreds of times more radioactive than normal fuel rods, but none of the reactions are useful fission reactions, mostly produce beta particles due to a saturation of neutrons

A

spent fuel rods

23
Q

cesium and strontium

A

produced due to nulear reactors, still quite radioactive, can be incoperated into your bones/body

24
Q

produced due to nulear reactors, still quite radioactive, can be incoperated into your bones/body

A

cesium and strontium

25
Q

U235+n=

A

3n+Ba142+Kr91

Environmental Chemistry (31 decks)

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