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Fundamentals of Chemistry > Nuclear Chemistry > Flashcards

Nuclear Chemistry Flashcards

1
Q

What do A, Z, and X represent?

A

A: atomic mass
Z: atomic number
X: atomix symbol

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2
Q

What charge are alpha particles?

A

Positive

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3
Q

What charge are beta particles?

A

Negative

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4
Q

What charge are gamma particles?

A

Uncharged

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5
Q

What happens in a nuclear reaction with alpha decay?

A

An alpha particle is emitted, the atomic number decreases by 2 and the mass number decreases by 4

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6
Q

What happens in a nuclear reaction with beta decay?

A

A beta particle is emitted, the atomic number increases by 1 and the mass number is unchanged

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7
Q

What happens in a nuclear reaction with electron capture?

A

An electron is added, the atomic number decreases by one and the mass number is unchanged

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8
Q

What happens in a nuclear reaction with positron emission?

A

An electron is removed, atomic number is decreased by one, mass number is unchanged

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9
Q

What is the particle of α?

A

Alpha particle

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10
Q

What is the particle of β?

A

Beta particle

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11
Q

What is the particle of β+?

A

Positron

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12
Q

What is the particle of γ?

A

Photon

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13
Q

What is the particle of p?

A

Proton

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14
Q

What is the particle of n?

A

Neutron

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15
Q

Rank radiation types from least to most damaging

A

Alpha, Beta, Gamma

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16
Q

What is an antiparticle?

A

A particle with a mass equal to the subatomic particle, but with an opposite charge

17
Q

What are magic numbers?

A

The numbers at which nuclei are more likely to be stable

18
Q

What condition might cause positron emission or electron capture?

A

Too many protons present

19
Q

What condition might cause beta emission?

A

Too many neutrons present

20
Q

What condition might cause alpha emission or spontaneous fission?

A

Being too large

21
Q

What condition might cause gamma emission?

A

Being in an excited state

Fundamentals of Chemistry (15 decks)

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