nuclear Flashcards

1
Q

_______occurs when an atom releases both energy
and particles.

A

Radioactivity

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2
Q

_________occurs when an unstable nucleus of an atom emits
radiation.

E-mats

Emits

A

radioactive decay

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3
Q

nuclear charge is

A

atomic number

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4
Q

the term______ is used
instead of isotope

A

nuclide

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5
Q

________are slower moving particles and are blocked
by thin barriers.

A

Alpha

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6
Q

________occurs when an alpha particle is released upon
decomposition of a nuclide.

A

Alpha Decay

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7
Q

______occurs when a beta particle is released upon
decomposition of a nuclide.

A

Beta Decay

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8
Q

_________occurs when a beta particle with a
positive sign is emitted from a decomposing nuclide

A

Positron Emission

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9
Q

________can emit from decomposing nuclides as pure
energy.

A

Gamma Ray Emission

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10
Q

_________ usually emitted along with other forms of
nuclear decay.

A

gamma rays

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11
Q

Radioactive decay loses its potency in a couple of ways:

A

Increasing Distance
Shielding
Time Reduction

sheel-ding

shielding

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12
Q

The intensity of radiation decreases with the square of the distance

A

Increasing Distance

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13
Q

Shielding

A

Using materials like lead, concrete, or water to absorb or block radiation.

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14
Q

Time Reduction

A

Minimizing the time of exposure to radiation reduces the total dose received.

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15
Q
A
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